Apply consistent code block labels (#8563)

This ensures the python label is used for all python code blocks for
consistency.

## Test Plan

Visual inspection of all changes via git client ensuring no other
changes were made in error.

crates/ruff_linter/src/checkers/ast/mod.rs

@@ -1415,7 +1415,7 @@ impl<'a> Checker<'a> {
         // subsequent nodes are evaluated in the inner scope.
         //
         // For example, given:
-        // ```py
+        // ```python
         // class A:
         //     T = range(10)
         //
@@ -1423,7 +1423,7 @@ impl<'a> Checker<'a> {
         // ```
         //
         // Conceptually, this is compiled as:
-        // ```py
+        // ```python
         // class A:
         //     T = range(10)
         //

crates/ruff_linter/src/importer/insertion.rs

@@ -189,7 +189,7 @@ impl<'a> Insertion<'a> {
                     Tok::NonLogicalNewline => {}
                     Tok::Indent => {
                         // This is like:
-                        // ```py
+                        // ```python
                         // if True:
                         //     pass
                         // ```

crates/ruff_linter/src/importer/mod.rs

@@ -209,7 +209,7 @@ impl<'a> Importer<'a> {
         // We also add a no-op edit to force conflicts with any other fixes that might try to
         // remove the import. Consider:
         //
-        // ```py
+        // ```python
         // import sys
         //
         // quit()

crates/ruff_python_formatter/tests/fixtures.rs

@@ -71,7 +71,7 @@ fn black_compatibility() {
             // today.
             let mut snapshot = String::new();
             write!(snapshot, "{}", Header::new("Input")).unwrap();
-            write!(snapshot, "{}", CodeFrame::new("py", &content)).unwrap();
+            write!(snapshot, "{}", CodeFrame::new("python", &content)).unwrap();
 
             write!(snapshot, "{}", Header::new("Black Differences")).unwrap();
 
@@ -83,10 +83,10 @@ fn black_compatibility() {
             write!(snapshot, "{}", CodeFrame::new("diff", &diff)).unwrap();
 
             write!(snapshot, "{}", Header::new("Ruff Output")).unwrap();
-            write!(snapshot, "{}", CodeFrame::new("py", &formatted_code)).unwrap();
+            write!(snapshot, "{}", CodeFrame::new("python", &formatted_code)).unwrap();
 
             write!(snapshot, "{}", Header::new("Black Output")).unwrap();
-            write!(snapshot, "{}", CodeFrame::new("py", &expected_output)).unwrap();
+            write!(snapshot, "{}", CodeFrame::new("python", &expected_output)).unwrap();
 
             insta::with_settings!({
                 omit_expression => true,
@@ -113,7 +113,7 @@ fn format() {
 
         ensure_stability_when_formatting_twice(formatted_code, options.clone(), input_path);
 
-        let mut snapshot = format!("## Input\n{}", CodeFrame::new("py", &content));
+        let mut snapshot = format!("## Input\n{}", CodeFrame::new("python", &content));
 
         let options_path = input_path.with_extension("options.json");
         if let Ok(options_file) = fs::File::open(options_path) {
@@ -135,7 +135,7 @@ fn format() {
                     "### Output {}\n{}{}",
                     i + 1,
                     CodeFrame::new("", &DisplayPyOptions(&options)),
-                    CodeFrame::new("py", &formatted_code)
+                    CodeFrame::new("python", &formatted_code)
                 )
                 .unwrap();
             }
@@ -159,14 +159,19 @@ fn format() {
             );
 
             if formatted == formatted_preview {
-                writeln!(snapshot, "## Output\n{}", CodeFrame::new("py", &formatted)).unwrap();
+                writeln!(
+                    snapshot,
+                    "## Output\n{}",
+                    CodeFrame::new("python", &formatted)
+                )
+                .unwrap();
             } else {
                 // Having both snapshots makes it hard to see the difference, so we're keeping only
                 // diff.
                 writeln!(
                     snapshot,
                     "## Output\n{}\n## Preview changes\n{}",
-                    CodeFrame::new("py", &formatted),
+                    CodeFrame::new("python", &formatted),
                     CodeFrame::new(
                         "diff",
                         TextDiff::from_lines(formatted, formatted_preview)

crates/ruff_python_formatter/tests/snapshots/black_compatibility@conditional_expression.py.snap

@@ -4,7 +4,7 @@ input_file: crates/ruff_python_formatter/resources/test/fixtures/black/condition
 ---
 ## Input
 
-```py
+```python
 long_kwargs_single_line = my_function(
     foo="test, this is a sample value",
     bar=some_long_value_name_foo_bar_baz if some_boolean_variable else some_fallback_value_foo_bar_baz,
@@ -149,7 +149,7 @@ def something():
 
 ## Ruff Output
 
-```py
+```python
 long_kwargs_single_line = my_function(
     foo="test, this is a sample value",
     bar=some_long_value_name_foo_bar_baz
@@ -238,7 +238,7 @@ def something():
 
 ## Black Output
 
-```py
+```python
 long_kwargs_single_line = my_function(
     foo="test, this is a sample value",
     bar=(

crates/ruff_python_formatter/tests/snapshots/black_compatibility@miscellaneous__blackd_diff.py.snap

@@ -4,7 +4,7 @@ input_file: crates/ruff_python_formatter/resources/test/fixtures/black/miscellan
 ---
 ## Input
 
-```py
+```python
 def abc ():
     return ["hello", "world",
             "!"]
@@ -33,7 +33,7 @@ print(   "Incorrect formatting"
 
 ## Ruff Output
 
-```py
+```python
 def abc():
     return ["hello", "world", "!"]
 
@@ -43,7 +43,7 @@ print("Incorrect formatting")
 
 ## Black Output
 
-```py
+```python
 def abc ():
     return ["hello", "world",
             "!"]

crates/ruff_python_formatter/tests/snapshots/black_compatibility@miscellaneous__debug_visitor.py.snap

@@ -4,7 +4,7 @@ input_file: crates/ruff_python_formatter/resources/test/fixtures/black/miscellan
 ---
 ## Input
 
-```py
+```python
 @dataclass
 class DebugVisitor(Visitor[T]):
     tree_depth: int = 0
@@ -79,7 +79,7 @@ class DebugVisitor(Visitor[T]):
 
 ## Ruff Output
 
-```py
+```python
 @dataclass
 class DebugVisitor(Visitor[T]):
     tree_depth: int = 0
@@ -116,7 +116,7 @@ class DebugVisitor(Visitor[T]):
 
 ## Black Output
 
-```py
+```python
 @dataclass
 class DebugVisitor(Visitor[T]):
     tree_depth: int = 0

crates/ruff_python_formatter/tests/snapshots/black_compatibility@miscellaneous__decorators.py.snap

@@ -4,7 +4,7 @@ input_file: crates/ruff_python_formatter/resources/test/fixtures/black/miscellan
 ---
 ## Input
 
-```py
+```python
 # This file doesn't use the standard decomposition.
 # Decorator syntax test cases are separated by double # comments.
 # Those before the 'output' comment are valid under the old syntax.
@@ -378,7 +378,7 @@ def f():
 
 ## Ruff Output
 
-```py
+```python
 # This file doesn't use the standard decomposition.
 # Decorator syntax test cases are separated by double # comments.
 # Those before the 'output' comment are valid under the old syntax.
@@ -589,7 +589,7 @@ def f():
 
 ## Black Output
 
-```py
+```python
 ##
 
 @decorator()()

crates/ruff_python_formatter/tests/snapshots/black_compatibility@miscellaneous__docstring_no_string_normalization.py.snap

@@ -4,7 +4,7 @@ input_file: crates/ruff_python_formatter/resources/test/fixtures/black/miscellan
 ---
 ## Input
 
-```py
+```python
 class ALonelyClass:
     '''
     A multiline class docstring.
@@ -208,7 +208,7 @@ def multiline_backslash_3():
 
 ## Ruff Output
 
-```py
+```python
 class ALonelyClass:
     """
     A multiline class docstring.
@@ -336,7 +336,7 @@ def multiline_backslash_3():
 
 ## Black Output
 
-```py
+```python
 class ALonelyClass:
     '''
     A multiline class docstring.

crates/ruff_python_formatter/tests/snapshots/black_compatibility@miscellaneous__docstring_preview_no_string_normalization.py.snap

@@ -4,7 +4,7 @@ input_file: crates/ruff_python_formatter/resources/test/fixtures/black/miscellan
 ---
 ## Input
 
-```py
+```python
 def do_not_touch_this_prefix():
     R"""There was a bug where docstring prefixes would be normalized even with -S."""
 
@@ -37,7 +37,7 @@ def do_not_touch_this_prefix3():
 
 ## Ruff Output
 
-```py
+```python
 def do_not_touch_this_prefix():
     R"""There was a bug where docstring prefixes would be normalized even with -S."""
 
@@ -52,7 +52,7 @@ def do_not_touch_this_prefix3():
 
 ## Black Output
 
-```py
+```python
 def do_not_touch_this_prefix():
     R"""There was a bug where docstring prefixes would be normalized even with -S."""
 

crates/ruff_python_formatter/tests/snapshots/black_compatibility@miscellaneous__force_pyi.py.snap

@@ -4,7 +4,7 @@ input_file: crates/ruff_python_formatter/resources/test/fixtures/black/miscellan
 ---
 ## Input
 
-```py
+```python
 # flags: --pyi
 from typing import Union
 
@@ -119,7 +119,7 @@ def eggs() -> Union[str, int]: ...
 
 ## Ruff Output
 
-```py
+```python
 # flags: --pyi
 from typing import Union
 
@@ -183,7 +183,7 @@ def eggs() -> Union[str, int]:
 
 ## Black Output
 
-```py
+```python
 from typing import Union
 
 @bird

crates/ruff_python_formatter/tests/snapshots/black_compatibility@miscellaneous__long_strings_flag_disabled.py.snap

@@ -4,7 +4,7 @@ input_file: crates/ruff_python_formatter/resources/test/fixtures/black/miscellan
 ---
 ## Input
 
-```py
+```python
 x = "This is a really long string that can't possibly be expected to fit all together on one line. In fact it may even take up three or more lines... like four or five... but probably just three."
 
 x += "This is a really long string that can't possibly be expected to fit all together on one line. In fact it may even take up three or more lines... like four or five... but probably just three."
@@ -324,7 +324,7 @@ long_unmergable_string_with_pragma = (
 
 ## Ruff Output
 
-```py
+```python
 x = "This is a really long string that can't possibly be expected to fit all together on one line. In fact it may even take up three or more lines... like four or five... but probably just three."
 
 x += "This is a really long string that can't possibly be expected to fit all together on one line. In fact it may even take up three or more lines... like four or five... but probably just three."
@@ -617,7 +617,7 @@ long_unmergable_string_with_pragma = (
 
 ## Black Output
 
-```py
+```python
 x = "This is a really long string that can't possibly be expected to fit all together on one line. In fact it may even take up three or more lines... like four or five... but probably just three."
 
 x += "This is a really long string that can't possibly be expected to fit all together on one line. In fact it may even take up three or more lines... like four or five... but probably just three."

crates/ruff_python_formatter/tests/snapshots/black_compatibility@miscellaneous__power_op_newline.py.snap

@@ -4,7 +4,7 @@ input_file: crates/ruff_python_formatter/resources/test/fixtures/black/miscellan
 ---
 ## Input
 
-```py
+```python
 importA;()<<0**0#
 ```
 
@@ -25,14 +25,14 @@ importA;()<<0**0#
 
 ## Ruff Output
 
-```py
+```python
 importA
 () << 0**0  #
 ```
 
 ## Black Output
 
-```py
+```python
 importA
 (
     ()

crates/ruff_python_formatter/tests/snapshots/black_compatibility@miscellaneous__string_quotes.py.snap

@@ -4,7 +4,7 @@ input_file: crates/ruff_python_formatter/resources/test/fixtures/black/miscellan
 ---
 ## Input
 
-```py
+```python
 ''''''
 
 '\''
@@ -88,7 +88,7 @@ f"\"{a}\"{'hello' * b}\"{c}\""
 
 ## Ruff Output
 
-```py
+```python
 """"""
 
 "'"
@@ -151,7 +151,7 @@ f"\"{a}\"{'hello' * b}\"{c}\""
 
 ## Black Output
 
-```py
+```python
 """"""
 
 "'"

crates/ruff_python_formatter/tests/snapshots/black_compatibility@py_310__pattern_matching_extras.py.snap

@@ -4,7 +4,7 @@ input_file: crates/ruff_python_formatter/resources/test/fixtures/black/py_310/pa
 ---
 ## Input
 
-```py
+```python
 import match
 
 match something:
@@ -162,7 +162,7 @@ match bar1:
 
 ## Ruff Output
 
-```py
+```python
 import match
 
 match something:
@@ -295,7 +295,7 @@ match bar1:
 
 ## Black Output
 
-```py
+```python
 import match
 
 match something:

crates/ruff_python_formatter/tests/snapshots/black_compatibility@py_310__pattern_matching_style.py.snap

@@ -4,7 +4,7 @@ input_file: crates/ruff_python_formatter/resources/test/fixtures/black/py_310/pa
 ---
 ## Input
 
-```py
+```python
 match something:
     case b(): print(1+1)
     case c(
@@ -99,7 +99,7 @@ match match(
 
 ## Ruff Output
 
-```py
+```python
 match something:
     case b():
         print(1 + 1)
@@ -145,7 +145,7 @@ match match():
 
 ## Black Output
 
-```py
+```python
 match something:
     case b():
         print(1 + 1)

crates/ruff_python_formatter/tests/snapshots/black_compatibility@py_310__pep_572_py310.py.snap

@@ -4,7 +4,7 @@ input_file: crates/ruff_python_formatter/resources/test/fixtures/black/py_310/pe
 ---
 ## Input
 
-```py
+```python
 # Unparenthesized walruses are now allowed in indices since Python 3.10.
 x[a:=0]
 x[a:=0, b:=1]
@@ -42,7 +42,7 @@ f(x, (a := b + c for c in range(10)), y=z, **q)
 
 ## Ruff Output
 
-```py
+```python
 # Unparenthesized walruses are now allowed in indices since Python 3.10.
 x[a := 0]
 x[a := 0, b := 1]
@@ -62,7 +62,7 @@ f(x, (a := b + c for c in range(10)), y=z, **q)
 
 ## Black Output
 
-```py
+```python
 # Unparenthesized walruses are now allowed in indices since Python 3.10.
 x[a:=0]
 x[a:=0, b:=1]

crates/ruff_python_formatter/tests/snapshots/black_compatibility@py_38__pep_572_remove_parens.py.snap

@@ -4,7 +4,7 @@ input_file: crates/ruff_python_formatter/resources/test/fixtures/black/py_38/pep
 ---
 ## Input
 
-```py
+```python
 if (foo := 0):
     pass
 
@@ -94,7 +94,7 @@ async def await_the_walrus():
 
 ## Ruff Output
 
-```py
+```python
 if foo := 0:
     pass
 
@@ -170,7 +170,7 @@ async def await_the_walrus():
 
 ## Black Output
 
-```py
+```python
 if foo := 0:
     pass
 

crates/ruff_python_formatter/tests/snapshots/black_compatibility@raw_docstring.py.snap

@@ -4,7 +4,7 @@ input_file: crates/ruff_python_formatter/resources/test/fixtures/black/raw_docst
 ---
 ## Input
 
-```py
+```python
 # flags: --preview --skip-string-normalization
 class C:
 
@@ -50,7 +50,7 @@ class UpperCaseR:
 
 ## Ruff Output
 
-```py
+```python
 # flags: --preview --skip-string-normalization
 class C:
 
@@ -72,7 +72,7 @@ class UpperCaseR:
 
 ## Black Output
 
-```py
+```python
 class C:
     r"""Raw"""
 

crates/ruff_python_formatter/tests/snapshots/black_compatibility@simple_cases__comment_after_escaped_newline.py.snap

@@ -4,7 +4,7 @@ input_file: crates/ruff_python_formatter/resources/test/fixtures/black/simple_ca
 ---
 ## Input
 
-```py
+```python
 def bob(): \
          # pylint: disable=W9016
     pass
@@ -36,7 +36,7 @@ def bobtwo(): \
 
 ## Ruff Output
 
-```py
+```python
 def bob():
     # pylint: disable=W9016
     pass
@@ -49,7 +49,7 @@ def bobtwo():
 
 ## Black Output
 
-```py
+```python
 def bob():  # pylint: disable=W9016
     pass
 

crates/ruff_python_formatter/tests/snapshots/black_compatibility@simple_cases__comments2.py.snap

@@ -4,7 +4,7 @@ input_file: crates/ruff_python_formatter/resources/test/fixtures/black/simple_ca
 ---
 ## Input
 
-```py
+```python
 from com.my_lovely_company.my_lovely_team.my_lovely_project.my_lovely_component import (
     MyLovelyCompanyTeamProjectComponent  # NOT DRY
 )
@@ -246,7 +246,7 @@ instruction()#comment with bad spacing
 
 ## Ruff Output
 
-```py
+```python
 from com.my_lovely_company.my_lovely_team.my_lovely_project.my_lovely_component import (
     MyLovelyCompanyTeamProjectComponent,  # NOT DRY
 )
@@ -442,7 +442,7 @@ instruction()  # comment with bad spacing
 
 ## Black Output
 
-```py
+```python
 from com.my_lovely_company.my_lovely_team.my_lovely_project.my_lovely_component import (
     MyLovelyCompanyTeamProjectComponent,  # NOT DRY
 )

crates/ruff_python_formatter/tests/snapshots/black_compatibility@simple_cases__comments6.py.snap

@@ -4,7 +4,7 @@ input_file: crates/ruff_python_formatter/resources/test/fixtures/black/simple_ca
 ---
 ## Input
 
-```py
+```python
 from typing import Any, Tuple
 
 
@@ -181,7 +181,7 @@ aaaaaaaaaaaaa, bbbbbbbbb = map(list, map(itertools.chain.from_iterable, zip(*ite
 
 ## Ruff Output
 
-```py
+```python
 from typing import Any, Tuple
 
 
@@ -315,7 +315,7 @@ aaaaaaaaaaaaa, bbbbbbbbb = map(list, map(itertools.chain.from_iterable, zip(*ite
 
 ## Black Output
 
-```py
+```python
 from typing import Any, Tuple
 
 

crates/ruff_python_formatter/tests/snapshots/black_compatibility@simple_cases__comments9.py.snap

@@ -4,7 +4,7 @@ input_file: crates/ruff_python_formatter/resources/test/fixtures/black/simple_ca
 ---
 ## Input
 
-```py
+```python
 # Test for https://github.com/psf/black/issues/246.
 
 some = statement
@@ -179,7 +179,7 @@ def bar():
 
 ## Ruff Output
 
-```py
+```python
 # Test for https://github.com/psf/black/issues/246.
 
 some = statement
@@ -342,7 +342,7 @@ def bar():
 
 ## Black Output
 
-```py
+```python
 # Test for https://github.com/psf/black/issues/246.
 
 some = statement

crates/ruff_python_formatter/tests/snapshots/black_compatibility@simple_cases__composition.py.snap

@@ -4,7 +4,7 @@ input_file: crates/ruff_python_formatter/resources/test/fixtures/black/simple_ca
 ---
 ## Input
 
-```py
+```python
 class C:
     def test(self) -> None:
         with patch("black.out", print):
@@ -242,7 +242,7 @@ class C:
 
 ## Ruff Output
 
-```py
+```python
 class C:
     def test(self) -> None:
         with patch("black.out", print):
@@ -427,7 +427,7 @@ class C:
 
 ## Black Output
 
-```py
+```python
 class C:
     def test(self) -> None:
         with patch("black.out", print):

crates/ruff_python_formatter/tests/snapshots/black_compatibility@simple_cases__composition_no_trailing_comma.py.snap

@@ -4,7 +4,7 @@ input_file: crates/ruff_python_formatter/resources/test/fixtures/black/simple_ca
 ---
 ## Input
 
-```py
+```python
 class C:
     def test(self) -> None:
         with patch("black.out", print):
@@ -242,7 +242,7 @@ class C:
 
 ## Ruff Output
 
-```py
+```python
 class C:
     def test(self) -> None:
         with patch("black.out", print):
@@ -427,7 +427,7 @@ class C:
 
 ## Black Output
 
-```py
+```python
 class C:
     def test(self) -> None:
         with patch("black.out", print):

crates/ruff_python_formatter/tests/snapshots/black_compatibility@simple_cases__docstring_preview.py.snap

@@ -4,7 +4,7 @@ input_file: crates/ruff_python_formatter/resources/test/fixtures/black/simple_ca
 ---
 ## Input
 
-```py
+```python
 def docstring_almost_at_line_limit():
     """long docstring.................................................................
     """
@@ -76,7 +76,7 @@ def single_quote_docstring_over_line_limit2():
 
 ## Ruff Output
 
-```py
+```python
 def docstring_almost_at_line_limit():
     """long docstring................................................................."""
 
@@ -130,7 +130,7 @@ def single_quote_docstring_over_line_limit2():
 
 ## Black Output
 
-```py
+```python
 def docstring_almost_at_line_limit():
     """long docstring................................................................."""
 

crates/ruff_python_formatter/tests/snapshots/black_compatibility@simple_cases__expression.py.snap

@@ -4,7 +4,7 @@ input_file: crates/ruff_python_formatter/resources/test/fixtures/black/simple_ca
 ---
 ## Input
 
-```py
+```python
 ...
 'some_string'
 b'\\xa3'
@@ -279,7 +279,7 @@ last_call()
 
 ## Ruff Output
 
-```py
+```python
 ...
 "some_string"
 b"\\xa3"
@@ -655,7 +655,7 @@ last_call()
 
 ## Black Output
 
-```py
+```python
 ...
 "some_string"
 b"\\xa3"

crates/ruff_python_formatter/tests/snapshots/black_compatibility@simple_cases__fmtonoff.py.snap

@@ -4,7 +4,7 @@ input_file: crates/ruff_python_formatter/resources/test/fixtures/black/simple_ca
 ---
 ## Input
 
-```py
+```python
 #!/usr/bin/env python3
 import asyncio
 import sys
@@ -271,7 +271,7 @@ d={'a':1,
 
 ## Ruff Output
 
-```py
+```python
 #!/usr/bin/env python3
 import asyncio
 import sys
@@ -506,7 +506,7 @@ d={'a':1,
 
 ## Black Output
 
-```py
+```python
 #!/usr/bin/env python3
 import asyncio
 import sys

crates/ruff_python_formatter/tests/snapshots/black_compatibility@simple_cases__fmtonoff4.py.snap

@@ -4,7 +4,7 @@ input_file: crates/ruff_python_formatter/resources/test/fixtures/black/simple_ca
 ---
 ## Input
 
-```py
+```python
 # fmt: off
 @test([
     1, 2,
@@ -53,7 +53,7 @@ def f(): pass
 
 ## Ruff Output
 
-```py
+```python
 # fmt: off
 @test([
     1, 2,
@@ -71,7 +71,7 @@ def f(): pass
 
 ## Black Output
 
-```py
+```python
 # fmt: off
 @test([
     1, 2,

crates/ruff_python_formatter/tests/snapshots/black_compatibility@simple_cases__fmtonoff5.py.snap

@@ -4,7 +4,7 @@ input_file: crates/ruff_python_formatter/resources/test/fixtures/black/simple_ca
 ---
 ## Input
 
-```py
+```python
 # Regression test for https://github.com/psf/black/issues/3129.
 setup(
     entry_points={
@@ -122,7 +122,7 @@ elif   unformatted:
 
 ## Ruff Output
 
-```py
+```python
 # Regression test for https://github.com/psf/black/issues/3129.
 setup(
     entry_points={
@@ -213,7 +213,7 @@ elif unformatted:
 
 ## Black Output
 
-```py
+```python
 # Regression test for https://github.com/psf/black/issues/3129.
 setup(
     entry_points={

crates/ruff_python_formatter/tests/snapshots/black_compatibility@simple_cases__fmtpass_imports.py.snap

@@ -4,7 +4,7 @@ input_file: crates/ruff_python_formatter/resources/test/fixtures/black/simple_ca
 ---
 ## Input
 
-```py
+```python
 # Regression test for https://github.com/psf/black/issues/3438
 
 import ast
@@ -43,7 +43,7 @@ import zoneinfo
 
 ## Ruff Output
 
-```py
+```python
 # Regression test for https://github.com/psf/black/issues/3438
 
 import ast
@@ -68,7 +68,7 @@ import zoneinfo
 
 ## Black Output
 
-```py
+```python
 # Regression test for https://github.com/psf/black/issues/3438
 
 import ast

crates/ruff_python_formatter/tests/snapshots/black_compatibility@simple_cases__fmtskip5.py.snap

@@ -4,7 +4,7 @@ input_file: crates/ruff_python_formatter/resources/test/fixtures/black/simple_ca
 ---
 ## Input
 
-```py
+```python
 a, b, c = 3, 4,       5
 if (
     a ==    3
@@ -34,7 +34,7 @@ else:
 
 ## Ruff Output
 
-```py
+```python
 a, b, c = 3, 4, 5
 if (
     a == 3
@@ -48,7 +48,7 @@ else:
 
 ## Black Output
 
-```py
+```python
 a, b, c = 3, 4, 5
 if (
     a == 3

crates/ruff_python_formatter/tests/snapshots/black_compatibility@simple_cases__function.py.snap

@@ -4,7 +4,7 @@ input_file: crates/ruff_python_formatter/resources/test/fixtures/black/simple_ca
 ---
 ## Input
 
-```py
+```python
 #!/usr/bin/env python3
 import asyncio
 import sys
@@ -119,7 +119,7 @@ def __await__(): return (yield)
 
 ## Ruff Output
 
-```py
+```python
 #!/usr/bin/env python3
 import asyncio
 import sys
@@ -273,7 +273,7 @@ def __await__():
 
 ## Black Output
 
-```py
+```python
 #!/usr/bin/env python3
 import asyncio
 import sys

crates/ruff_python_formatter/tests/snapshots/black_compatibility@simple_cases__function2.py.snap

@@ -4,7 +4,7 @@ input_file: crates/ruff_python_formatter/resources/test/fixtures/black/simple_ca
 ---
 ## Input
 
-```py
+```python
 def f(
   a,
   **kwargs,
@@ -85,7 +85,7 @@ with hmm_but_this_should_get_two_preceding_newlines():
 
 ## Ruff Output
 
-```py
+```python
 def f(
     a,
     **kwargs,
@@ -153,7 +153,7 @@ with hmm_but_this_should_get_two_preceding_newlines():
 
 ## Black Output
 
-```py
+```python
 def f(
     a,
     **kwargs,

crates/ruff_python_formatter/tests/snapshots/black_compatibility@simple_cases__ignore_pyi.py.snap

@@ -4,7 +4,7 @@ input_file: crates/ruff_python_formatter/resources/test/fixtures/black/simple_ca
 ---
 ## Input
 
-```py
+```python
 def f():  # type: ignore
     ...
 
@@ -64,7 +64,7 @@ def h():
 
 ## Ruff Output
 
-```py
+```python
 def f():  # type: ignore
     ...
 
@@ -94,7 +94,7 @@ def h():
 
 ## Black Output
 
-```py
+```python
 def f():  # type: ignore
     ...
 

crates/ruff_python_formatter/tests/snapshots/black_compatibility@simple_cases__multiline_consecutive_open_parentheses_ignore.py.snap

@@ -4,7 +4,7 @@ input_file: crates/ruff_python_formatter/resources/test/fixtures/black/simple_ca
 ---
 ## Input
 
-```py
+```python
 # This is a regression test. Issue #3737
 
 a = (  # type: ignore
@@ -48,7 +48,7 @@ print(   "111"       ) # type: ignore
 
 ## Ruff Output
 
-```py
+```python
 # This is a regression test. Issue #3737
 
 a = (  # type: ignore
@@ -70,7 +70,7 @@ print("111")  # type: ignore
 
 ## Black Output
 
-```py
+```python
 # This is a regression test. Issue #3737
 
 a = (  # type: ignore

crates/ruff_python_formatter/tests/snapshots/black_compatibility@simple_cases__remove_await_parens.py.snap

@@ -4,7 +4,7 @@ input_file: crates/ruff_python_formatter/resources/test/fixtures/black/simple_ca
 ---
 ## Input
 
-```py
+```python
 import asyncio
 
 # Control example
@@ -108,7 +108,7 @@ async def main():
 
 ## Ruff Output
 
-```py
+```python
 import asyncio
 
 
@@ -208,7 +208,7 @@ async def main():
 
 ## Black Output
 
-```py
+```python
 import asyncio
 
 

crates/ruff_python_formatter/tests/snapshots/black_compatibility@simple_cases__remove_except_parens.py.snap

@@ -4,7 +4,7 @@ input_file: crates/ruff_python_formatter/resources/test/fixtures/black/simple_ca
 ---
 ## Input
 
-```py
+```python
 # These brackets are redundant, therefore remove.
 try:
     a.something
@@ -62,7 +62,7 @@ except (some.really.really.really.looooooooooooooooooooooooooooooooong.module.ov
 
 ## Ruff Output
 
-```py
+```python
 # These brackets are redundant, therefore remove.
 try:
     a.something
@@ -107,7 +107,7 @@ except (
 
 ## Black Output
 
-```py
+```python
 # These brackets are redundant, therefore remove.
 try:
     a.something

crates/ruff_python_formatter/tests/snapshots/black_compatibility@simple_cases__remove_for_brackets.py.snap

@@ -4,7 +4,7 @@ input_file: crates/ruff_python_formatter/resources/test/fixtures/black/simple_ca
 ---
 ## Input
 
-```py
+```python
 # Only remove tuple brackets after `for`
 for (k, v) in d.items():
     print(k, v)
@@ -46,7 +46,7 @@ for (((((k, v))))) in d.items():
 
 ## Ruff Output
 
-```py
+```python
 # Only remove tuple brackets after `for`
 for k, v in d.items():
     print(k, v)
@@ -76,7 +76,7 @@ for k, v in d.items():
 
 ## Black Output
 
-```py
+```python
 # Only remove tuple brackets after `for`
 for k, v in d.items():
     print(k, v)

crates/ruff_python_formatter/tests/snapshots/black_compatibility@simple_cases__return_annotation_brackets.py.snap

@@ -4,7 +4,7 @@ input_file: crates/ruff_python_formatter/resources/test/fixtures/black/simple_ca
 ---
 ## Input
 
-```py
+```python
 # Control
 def double(a: int) -> int:
     return 2*a
@@ -126,7 +126,7 @@ def foo() -> tuple[int, int, int,]:
 
 ## Ruff Output
 
-```py
+```python
 # Control
 def double(a: int) -> int:
     return 2 * a
@@ -259,7 +259,7 @@ def foo() -> (
 
 ## Black Output
 
-```py
+```python
 # Control
 def double(a: int) -> int:
     return 2 * a

crates/ruff_python_formatter/tests/snapshots/black_compatibility@simple_cases__torture.py.snap

@@ -4,7 +4,7 @@ input_file: crates/ruff_python_formatter/resources/test/fixtures/black/simple_ca
 ---
 ## Input
 
-```py
+```python
 importA;() << 0 ** 101234234242352525425252352352525234890264906820496920680926538059059209922523523525 #
 
 assert sort_by_dependency(
@@ -66,7 +66,7 @@ assert (
 
 ## Ruff Output
 
-```py
+```python
 importA
 (
     ()
@@ -129,7 +129,7 @@ assert a_function(
 
 ## Black Output
 
-```py
+```python
 importA
 (
     ()

crates/ruff_python_formatter/tests/snapshots/black_compatibility@simple_cases__trailing_commas_in_leading_parts.py.snap

@@ -4,7 +4,7 @@ input_file: crates/ruff_python_formatter/resources/test/fixtures/black/simple_ca
 ---
 ## Input
 
-```py
+```python
 zero(one,).two(three,).four(five,)
 
 func1(arg1).func2(arg2,).func3(arg3).func4(arg4,).func5(arg5)
@@ -72,7 +72,7 @@ assert xxxxxxxxx.xxxxxxxxx.xxxxxxxxx(
 
 ## Ruff Output
 
-```py
+```python
 zero(
     one,
 ).two(
@@ -123,7 +123,7 @@ assert (
 
 ## Black Output
 
-```py
+```python
 zero(
     one,
 ).two(

crates/ruff_python_formatter/tests/snapshots/black_compatibility@simple_cases__tupleassign.py.snap

@@ -4,7 +4,7 @@ input_file: crates/ruff_python_formatter/resources/test/fixtures/black/simple_ca
 ---
 ## Input
 
-```py
+```python
 # This is a standalone comment.
 sdfjklsdfsjldkflkjsf, sdfjsdfjlksdljkfsdlkf, sdfsdjfklsdfjlksdljkf, sdsfsdfjskdflsfsdf = 1, 2, 3
 
@@ -32,7 +32,7 @@ this_will_be_wrapped_in_parens, = struct.unpack(b"12345678901234567890")
 
 ## Ruff Output
 
-```py
+```python
 # This is a standalone comment.
 (
     sdfjklsdfsjldkflkjsf,
@@ -49,7 +49,7 @@ this_will_be_wrapped_in_parens, = struct.unpack(b"12345678901234567890")
 
 ## Black Output
 
-```py
+```python
 # This is a standalone comment.
 (
     sdfjklsdfsjldkflkjsf,

crates/ruff_python_formatter/tests/snapshots/format@carriage_return__string.py.snap

@@ -3,7 +3,7 @@ source: crates/ruff_python_formatter/tests/fixtures.rs
 input_file: crates/ruff_python_formatter/resources/test/fixtures/ruff/carriage_return/string.py
 ---
 ## Input
-```py
+```python
 'This string will not include \
 backslashes or newline characters.'
 
@@ -13,7 +13,7 @@ String \"
 ```
 
 ## Output
-```py
+```python
 "This string will not include \
 backslashes or newline characters."
 

crates/ruff_python_formatter/tests/snapshots/format@docstring.py.snap

@@ -3,7 +3,7 @@ source: crates/ruff_python_formatter/tests/fixtures.rs
 input_file: crates/ruff_python_formatter/resources/test/fixtures/ruff/docstring.py
 ---
 ## Input
-```py
+```python
 def single_line_backslashes1():
   """ content\     """
   return
@@ -169,7 +169,7 @@ magic-trailing-comma    = Respect
 preview                 = Disabled
 ```
 
-```py
+```python
 def single_line_backslashes1():
     """content\ """
     return
@@ -335,7 +335,7 @@ magic-trailing-comma    = Respect
 preview                 = Disabled
 ```
 
-```py
+```python
 def single_line_backslashes1():
   """content\ """
   return
@@ -501,7 +501,7 @@ magic-trailing-comma    = Respect
 preview                 = Disabled
 ```
 
-```py
+```python
 def single_line_backslashes1():
 	"""content\ """
 	return
@@ -667,7 +667,7 @@ magic-trailing-comma    = Respect
 preview                 = Disabled
 ```
 
-```py
+```python
 def single_line_backslashes1():
 	"""content\ """
 	return

crates/ruff_python_formatter/tests/snapshots/format@empty_multiple_trailing_newlines.py.snap

@@ -3,14 +3,14 @@ source: crates/ruff_python_formatter/tests/fixtures.rs
 input_file: crates/ruff_python_formatter/resources/test/fixtures/ruff/empty_multiple_trailing_newlines.py
 ---
 ## Input
-```py
+```python
 
 
 
 ```
 
 ## Output
-```py
+```python
 
 ```
 

crates/ruff_python_formatter/tests/snapshots/format@empty_now_newline.py.snap

@@ -3,11 +3,11 @@ source: crates/ruff_python_formatter/tests/fixtures.rs
 input_file: crates/ruff_python_formatter/resources/test/fixtures/ruff/empty_now_newline.py
 ---
 ## Input
-```py
+```python
 ```
 
 ## Output
-```py
+```python
 ```
 
 

crates/ruff_python_formatter/tests/snapshots/format@empty_trailing_newline.py.snap

@@ -3,12 +3,12 @@ source: crates/ruff_python_formatter/tests/fixtures.rs
 input_file: crates/ruff_python_formatter/resources/test/fixtures/ruff/empty_trailing_newline.py
 ---
 ## Input
-```py
+```python
 
 ```
 
 ## Output
-```py
+```python
 
 ```
 

crates/ruff_python_formatter/tests/snapshots/format@empty_whitespace.py.snap

@@ -3,11 +3,11 @@ source: crates/ruff_python_formatter/tests/fixtures.rs
 input_file: crates/ruff_python_formatter/resources/test/fixtures/ruff/empty_whitespace.py
 ---
 ## Input
-```py
+```python
     ```
 
 ## Output
-```py
+```python
 ```
 
 

crates/ruff_python_formatter/tests/snapshots/format@expression__annotated_assign.py.snap

@@ -3,7 +3,7 @@ source: crates/ruff_python_formatter/tests/fixtures.rs
 input_file: crates/ruff_python_formatter/resources/test/fixtures/ruff/expression/annotated_assign.py
 ---
 ## Input
-```py
+```python
 a: string
 
 b: string = "test"
@@ -20,7 +20,7 @@ b: list[
 ```
 
 ## Output
-```py
+```python
 a: string
 
 b: string = "test"

crates/ruff_python_formatter/tests/snapshots/format@expression__attribute.py.snap

@@ -3,7 +3,7 @@ source: crates/ruff_python_formatter/tests/fixtures.rs
 input_file: crates/ruff_python_formatter/resources/test/fixtures/ruff/expression/attribute.py
 ---
 ## Input
-```py
+```python
 from argparse import Namespace
 
 a = Namespace()
@@ -161,7 +161,7 @@ result = (
 ```
 
 ## Output
-```py
+```python
 from argparse import Namespace
 
 a = Namespace()

crates/ruff_python_formatter/tests/snapshots/format@expression__await.py.snap

@@ -3,7 +3,7 @@ source: crates/ruff_python_formatter/tests/fixtures.rs
 input_file: crates/ruff_python_formatter/resources/test/fixtures/ruff/expression/await.py
 ---
 ## Input
-```py
+```python
 # Regression test for: https://github.com/astral-sh/ruff/issues/7420
 result = await self.request(
     f"/applications/{int(application_id)}/guilds/{int(scope)}/commands/{int(command_id)}/permissions"
@@ -57,7 +57,7 @@ await (
 ```
 
 ## Output
-```py
+```python
 # Regression test for: https://github.com/astral-sh/ruff/issues/7420
 result = await self.request(
     f"/applications/{int(application_id)}/guilds/{int(scope)}/commands/{int(command_id)}/permissions"

crates/ruff_python_formatter/tests/snapshots/format@expression__binary.py.snap

@@ -3,7 +3,7 @@ source: crates/ruff_python_formatter/tests/fixtures.rs
 input_file: crates/ruff_python_formatter/resources/test/fixtures/ruff/expression/binary.py
 ---
 ## Input
-```py
+```python
 (aaaaaaaa
     + # trailing operator comment
     b # trailing right comment
@@ -415,7 +415,7 @@ if True:
 ```
 
 ## Output
-```py
+```python
 (
     aaaaaaaa
     +  # trailing operator comment

crates/ruff_python_formatter/tests/snapshots/format@expression__binary_implicit_string.py.snap

@@ -3,7 +3,7 @@ source: crates/ruff_python_formatter/tests/fixtures.rs
 input_file: crates/ruff_python_formatter/resources/test/fixtures/ruff/expression/binary_implicit_string.py
 ---
 ## Input
-```py
+```python
 
 raise ImproperlyConfigured(
     "The app module %r has multiple filesystem locations (%r); "
@@ -198,7 +198,7 @@ class EC2REPATH:
 ```
 
 ## Output
-```py
+```python
 raise ImproperlyConfigured(
     "The app module %r has multiple filesystem locations (%r); "
     "you must configure this app with an AppConfig subclass "

crates/ruff_python_formatter/tests/snapshots/format@expression__binary_pow_spacing.py.snap

@@ -3,7 +3,7 @@ source: crates/ruff_python_formatter/tests/fixtures.rs
 input_file: crates/ruff_python_formatter/resources/test/fixtures/ruff/expression/binary_pow_spacing.py
 ---
 ## Input
-```py
+```python
 # No spacing
 5 ** 5
 5.0 ** 5.0
@@ -17,7 +17,7 @@ None ** None
 ```
 
 ## Output
-```py
+```python
 # No spacing
 5**5
 5.0**5.0

crates/ruff_python_formatter/tests/snapshots/format@expression__boolean_operation.py.snap

@@ -3,7 +3,7 @@ source: crates/ruff_python_formatter/tests/fixtures.rs
 input_file: crates/ruff_python_formatter/resources/test/fixtures/ruff/expression/boolean_operation.py
 ---
 ## Input
-```py
+```python
 if (
     self._proc
     # has the child process finished?
@@ -194,7 +194,7 @@ if (self._proc
 ```
 
 ## Output
-```py
+```python
 if (
     self._proc
     # has the child process finished?

crates/ruff_python_formatter/tests/snapshots/format@expression__bytes.py.snap

@@ -3,7 +3,7 @@ source: crates/ruff_python_formatter/tests/fixtures.rs
 input_file: crates/ruff_python_formatter/resources/test/fixtures/ruff/expression/bytes.py
 ---
 ## Input
-```py
+```python
 b"' test"
 b'" test'
 
@@ -137,7 +137,7 @@ magic-trailing-comma    = Respect
 preview                 = Disabled
 ```
 
-```py
+```python
 b"' test"
 b'" test'
 
@@ -286,7 +286,7 @@ magic-trailing-comma    = Respect
 preview                 = Disabled
 ```
 
-```py
+```python
 b"' test"
 b'" test'
 

crates/ruff_python_formatter/tests/snapshots/format@expression__call.py.snap

@@ -3,7 +3,7 @@ source: crates/ruff_python_formatter/tests/fixtures.rs
 input_file: crates/ruff_python_formatter/resources/test/fixtures/ruff/expression/call.py
 ---
 ## Input
-```py
+```python
 from unittest.mock import MagicMock
 
 
@@ -282,7 +282,7 @@ result = (object[complicate_caller])("argument").a["b"].test(argument)
 ```
 
 ## Output
-```py
+```python
 from unittest.mock import MagicMock
 
 

crates/ruff_python_formatter/tests/snapshots/format@expression__compare.py.snap

@@ -3,7 +3,7 @@ source: crates/ruff_python_formatter/tests/fixtures.rs
 input_file: crates/ruff_python_formatter/resources/test/fixtures/ruff/expression/compare.py
 ---
 ## Input
-```py
+```python
 a == b
 a != b
 a < b
@@ -187,7 +187,7 @@ c = (a *
 ```
 
 ## Output
-```py
+```python
 a == b
 a != b
 a < b

crates/ruff_python_formatter/tests/snapshots/format@expression__dict.py.snap

@@ -3,7 +3,7 @@ source: crates/ruff_python_formatter/tests/fixtures.rs
 input_file: crates/ruff_python_formatter/resources/test/fixtures/ruff/expression/dict.py
 ---
 ## Input
-```py
+```python
 # before
 {  # open
  key# key
@@ -141,7 +141,7 @@ query = {
 ```
 
 ## Output
-```py
+```python
 # before
 {  # open
     key:  # key

crates/ruff_python_formatter/tests/snapshots/format@expression__dict_comp.py.snap

@@ -3,7 +3,7 @@ source: crates/ruff_python_formatter/tests/fixtures.rs
 input_file: crates/ruff_python_formatter/resources/test/fixtures/ruff/expression/dict_comp.py
 ---
 ## Input
-```py
+```python
 {i: i for i in []}
 
 {i: i for i in [1,]}
@@ -186,7 +186,7 @@ query = {
 ```
 
 ## Output
-```py
+```python
 {i: i for i in []}
 
 {

crates/ruff_python_formatter/tests/snapshots/format@expression__fstring.py.snap

@@ -3,7 +3,7 @@ source: crates/ruff_python_formatter/tests/fixtures.rs
 input_file: crates/ruff_python_formatter/resources/test/fixtures/ruff/expression/fstring.py
 ---
 ## Input
-```py
+```python
 (
     f'{one}'
     f'{two}'
@@ -71,7 +71,7 @@ z = f'''a{""}b''' f'''c{1}d"""e'''
 ```
 
 ## Output
-```py
+```python
 (f"{one}" f"{two}")
 
 

crates/ruff_python_formatter/tests/snapshots/format@expression__generator_exp.py.snap

@@ -3,7 +3,7 @@ source: crates/ruff_python_formatter/tests/fixtures.rs
 input_file: crates/ruff_python_formatter/resources/test/fixtures/ruff/expression/generator_exp.py
 ---
 ## Input
-```py
+```python
 (a for b in c)
 
 # parens around generator expression not required
@@ -78,7 +78,7 @@ tuple(
 ```
 
 ## Output
-```py
+```python
 (a for b in c)
 
 # parens around generator expression not required

crates/ruff_python_formatter/tests/snapshots/format@expression__if.py.snap

@@ -3,7 +3,7 @@ source: crates/ruff_python_formatter/tests/fixtures.rs
 input_file: crates/ruff_python_formatter/resources/test/fixtures/ruff/expression/if.py
 ---
 ## Input
-```py
+```python
 a1 = 1 if True else 2
 
 a2 = "this is a very long text that will make the group break to check that parentheses are added" if True else 2
@@ -117,7 +117,7 @@ def something():
 ```
 
 ## Output
-```py
+```python
 a1 = 1 if True else 2
 
 a2 = (

crates/ruff_python_formatter/tests/snapshots/format@expression__lambda.py.snap

@@ -3,7 +3,7 @@ source: crates/ruff_python_formatter/tests/fixtures.rs
 input_file: crates/ruff_python_formatter/resources/test/fixtures/ruff/expression/lambda.py
 ---
 ## Input
-```py
+```python
 # Leading
 lambda x: x  # Trailing
 # Trailing
@@ -237,7 +237,7 @@ def a():
 ```
 
 ## Output
-```py
+```python
 # Leading
 lambda x: x  # Trailing
 # Trailing

crates/ruff_python_formatter/tests/snapshots/format@expression__list.py.snap

@@ -3,7 +3,7 @@ source: crates/ruff_python_formatter/tests/fixtures.rs
 input_file: crates/ruff_python_formatter/resources/test/fixtures/ruff/expression/list.py
 ---
 ## Input
-```py
+```python
 # Dangling comment placement in empty lists
 # Regression test for https://github.com/python/cpython/blob/03160630319ca26dcbbad65225da4248e54c45ec/Tools/c-analyzer/c_analyzer/datafiles.py#L14-L16
 a1 = [  # a
@@ -67,7 +67,7 @@ c1 = [ # trailing open bracket
 ```
 
 ## Output
-```py
+```python
 # Dangling comment placement in empty lists
 # Regression test for https://github.com/python/cpython/blob/03160630319ca26dcbbad65225da4248e54c45ec/Tools/c-analyzer/c_analyzer/datafiles.py#L14-L16
 a1 = [  # a

crates/ruff_python_formatter/tests/snapshots/format@expression__list_comp.py.snap

@@ -3,7 +3,7 @@ source: crates/ruff_python_formatter/tests/fixtures.rs
 input_file: crates/ruff_python_formatter/resources/test/fixtures/ruff/expression/list_comp.py
 ---
 ## Input
-```py
+```python
 [i for i in []]
 
 [i for i in [1,]]
@@ -114,7 +114,7 @@ aaaaaaaaaaaaaaaaaaaaa = [
 ```
 
 ## Output
-```py
+```python
 [i for i in []]
 
 [

crates/ruff_python_formatter/tests/snapshots/format@expression__named_expr.py.snap

@@ -3,7 +3,7 @@ source: crates/ruff_python_formatter/tests/fixtures.rs
 input_file: crates/ruff_python_formatter/resources/test/fixtures/ruff/expression/named_expr.py
 ---
 ## Input
-```py
+```python
 y = 1
 
 if (
@@ -106,7 +106,7 @@ async def f():
 ```
 
 ## Output
-```py
+```python
 y = 1
 
 if (

crates/ruff_python_formatter/tests/snapshots/format@expression__number.py.snap

@@ -3,7 +3,7 @@ source: crates/ruff_python_formatter/tests/fixtures.rs
 input_file: crates/ruff_python_formatter/resources/test/fixtures/ruff/expression/number.py
 ---
 ## Input
-```py
+```python
 .1
 1.
 1E+1
@@ -14,7 +14,7 @@ input_file: crates/ruff_python_formatter/resources/test/fixtures/ruff/expression
 ```
 
 ## Output
-```py
+```python
 0.1
 1.0
 1e1

crates/ruff_python_formatter/tests/snapshots/format@expression__optional_parentheses_comments.py.snap

@@ -3,7 +3,7 @@ source: crates/ruff_python_formatter/tests/fixtures.rs
 input_file: crates/ruff_python_formatter/resources/test/fixtures/ruff/expression/optional_parentheses_comments.py
 ---
 ## Input
-```py
+```python
 comment_string = "Long lines with inline comments should have their comments appended to the reformatted string's enclosing right parentheses."  # This comment gets thrown to the top.
 
 # 88 characters unparenthesized
@@ -213,7 +213,7 @@ def test6():
 ```
 
 ## Output
-```py
+```python
 comment_string = "Long lines with inline comments should have their comments appended to the reformatted string's enclosing right parentheses."  # This comment gets thrown to the top.
 
 # 88 characters unparenthesized

crates/ruff_python_formatter/tests/snapshots/format@expression__set_comp.py.snap

@@ -3,7 +3,7 @@ source: crates/ruff_python_formatter/tests/fixtures.rs
 input_file: crates/ruff_python_formatter/resources/test/fixtures/ruff/expression/set_comp.py
 ---
 ## Input
-```py
+```python
 {i for i in []}
 
 {i for i in [1,]}
@@ -62,7 +62,7 @@ selected_choices = {
 ```
 
 ## Output
-```py
+```python
 {i for i in []}
 
 {

crates/ruff_python_formatter/tests/snapshots/format@expression__slice.py.snap

@@ -3,7 +3,7 @@ source: crates/ruff_python_formatter/tests/fixtures.rs
 input_file: crates/ruff_python_formatter/resources/test/fixtures/ruff/expression/slice.py
 ---
 ## Input
-```py
+```python
 # Handle comments both when lower and upper exist and when they don't
 a1 = "a"[
     # a
@@ -119,7 +119,7 @@ self.assertEqual(
 ```
 
 ## Output
-```py
+```python
 # Handle comments both when lower and upper exist and when they don't
 a1 = "a"[
     # a

crates/ruff_python_formatter/tests/snapshots/format@expression__split_empty_brackets.py.snap

@@ -3,7 +3,7 @@ source: crates/ruff_python_formatter/tests/fixtures.rs
 input_file: crates/ruff_python_formatter/resources/test/fixtures/ruff/expression/split_empty_brackets.py
 ---
 ## Input
-```py
+```python
 # Expressions with empty parentheses.
 ct_match = (
     unicodedata.normalize("NFKC", s1).casefold()
@@ -97,7 +97,7 @@ response = await sync_to_async(
 ```
 
 ## Output
-```py
+```python
 # Expressions with empty parentheses.
 ct_match = (
     unicodedata.normalize("NFKC", s1).casefold()

crates/ruff_python_formatter/tests/snapshots/format@expression__starred.py.snap

@@ -3,7 +3,7 @@ source: crates/ruff_python_formatter/tests/fixtures.rs
 input_file: crates/ruff_python_formatter/resources/test/fixtures/ruff/expression/starred.py
 ---
 ## Input
-```py
+```python
 call(
     # Leading starred comment
     * # Trailing star comment
@@ -40,7 +40,7 @@ call(
 ```
 
 ## Output
-```py
+```python
 call(
     # Leading starred comment
     # Trailing star comment

crates/ruff_python_formatter/tests/snapshots/format@expression__string.py.snap

@@ -3,7 +3,7 @@ source: crates/ruff_python_formatter/tests/fixtures.rs
 input_file: crates/ruff_python_formatter/resources/test/fixtures/ruff/expression/string.py
 ---
 ## Input
-```py
+```python
 "' test"
 '" test'
 
@@ -152,7 +152,7 @@ magic-trailing-comma    = Respect
 preview                 = Disabled
 ```
 
-```py
+```python
 "' test"
 '" test'
 
@@ -325,7 +325,7 @@ magic-trailing-comma    = Respect
 preview                 = Disabled
 ```
 
-```py
+```python
 "' test"
 '" test'
 

crates/ruff_python_formatter/tests/snapshots/format@expression__subscript.py.snap

@@ -3,7 +3,7 @@ source: crates/ruff_python_formatter/tests/fixtures.rs
 input_file: crates/ruff_python_formatter/resources/test/fixtures/ruff/expression/subscript.py
 ---
 ## Input
-```py
+```python
 # Regression test for: https://github.com/astral-sh/ruff/issues/7370
 result = (
     f(111111111111111111111111111111111111111111111111111111111111111111111111111111111)
@@ -12,7 +12,7 @@ result = (
 ```
 
 ## Output
-```py
+```python
 # Regression test for: https://github.com/astral-sh/ruff/issues/7370
 result = (
     f(111111111111111111111111111111111111111111111111111111111111111111111111111111111)

crates/ruff_python_formatter/tests/snapshots/format@expression__tuple.py.snap

@@ -3,7 +3,7 @@ source: crates/ruff_python_formatter/tests/fixtures.rs
 input_file: crates/ruff_python_formatter/resources/test/fixtures/ruff/expression/tuple.py
 ---
 ## Input
-```py
+```python
 # Non-wrapping parentheses checks
 a1 = 1, 2
 a2 = (1, 2)
@@ -78,7 +78,7 @@ i1 = ("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
 ```
 
 ## Output
-```py
+```python
 # Non-wrapping parentheses checks
 a1 = 1, 2
 a2 = (1, 2)

crates/ruff_python_formatter/tests/snapshots/format@expression__unary.py.snap

@@ -3,7 +3,7 @@ source: crates/ruff_python_formatter/tests/fixtures.rs
 input_file: crates/ruff_python_formatter/resources/test/fixtures/ruff/expression/unary.py
 ---
 ## Input
-```py
+```python
 if not aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa + bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb:
     pass
 
@@ -202,7 +202,7 @@ def foo():
 ```
 
 ## Output
-```py
+```python
 if (
     not aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
     + bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb

crates/ruff_python_formatter/tests/snapshots/format@expression__unsplittable.py.snap

@@ -3,7 +3,7 @@ source: crates/ruff_python_formatter/tests/fixtures.rs
 input_file: crates/ruff_python_formatter/resources/test/fixtures/ruff/expression/unsplittable.py
 ---
 ## Input
-```py
+```python
 x = aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
 
 x_aa = aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
@@ -103,7 +103,7 @@ def f():
 ```
 
 ## Output
-```py
+```python
 x = aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
 
 x_aa = aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa

crates/ruff_python_formatter/tests/snapshots/format@expression__yield.py.snap

@@ -3,7 +3,7 @@ source: crates/ruff_python_formatter/tests/fixtures.rs
 input_file: crates/ruff_python_formatter/resources/test/fixtures/ruff/expression/yield.py
 ---
 ## Input
-```py
+```python
 l = [1,2,3,4]
 
 def foo():
@@ -128,7 +128,7 @@ print((yield x))
 ```
 
 ## Output
-```py
+```python
 l = [1, 2, 3, 4]
 
 

crates/ruff_python_formatter/tests/snapshots/format@expression__yield_from.py.snap

@@ -3,7 +3,7 @@ source: crates/ruff_python_formatter/tests/fixtures.rs
 input_file: crates/ruff_python_formatter/resources/test/fixtures/ruff/expression/yield_from.py
 ---
 ## Input
-```py
+```python
 l = [1,2,3,4]
 
 
@@ -42,7 +42,7 @@ def foo():
 ```
 
 ## Output
-```py
+```python
 l = [1, 2, 3, 4]
 
 

crates/ruff_python_formatter/tests/snapshots/format@fmt_on_off__comments.py.snap

@@ -3,7 +3,7 @@ source: crates/ruff_python_formatter/tests/fixtures.rs
 input_file: crates/ruff_python_formatter/resources/test/fixtures/ruff/fmt_on_off/comments.py
 ---
 ## Input
-```py
+```python
 pass
 
 # fmt: off
@@ -35,7 +35,7 @@ def test():
 ```
 
 ## Output
-```py
+```python
 pass
 
 # fmt: off

crates/ruff_python_formatter/tests/snapshots/format@fmt_on_off__empty_file.py.snap

@@ -3,7 +3,7 @@ source: crates/ruff_python_formatter/tests/fixtures.rs
 input_file: crates/ruff_python_formatter/resources/test/fixtures/ruff/fmt_on_off/empty_file.py
 ---
 ## Input
-```py
+```python
 # fmt: off
 
     # this does not work because there are no statements
@@ -12,7 +12,7 @@ input_file: crates/ruff_python_formatter/resources/test/fixtures/ruff/fmt_on_off
 ```
 
 ## Output
-```py
+```python
 # fmt: off
 
 # this does not work because there are no statements

crates/ruff_python_formatter/tests/snapshots/format@fmt_on_off__fmt_off_docstring.py.snap

@@ -3,7 +3,7 @@ source: crates/ruff_python_formatter/tests/fixtures.rs
 input_file: crates/ruff_python_formatter/resources/test/fixtures/ruff/fmt_on_off/fmt_off_docstring.py
 ---
 ## Input
-```py
+```python
 def test():
     # fmt: off
     """ This docstring does not
@@ -36,7 +36,7 @@ magic-trailing-comma    = Respect
 preview                 = Disabled
 ```
 
-```py
+```python
 def test():
     # fmt: off
     """ This docstring does not
@@ -69,7 +69,7 @@ magic-trailing-comma    = Respect
 preview                 = Disabled
 ```
 
-```py
+```python
 def test():
   # fmt: off
   """ This docstring does not

crates/ruff_python_formatter/tests/snapshots/format@fmt_on_off__fmt_off_unclosed_deep_nested_trailing_comment.py.snap

@@ -3,7 +3,7 @@ source: crates/ruff_python_formatter/tests/fixtures.rs
 input_file: crates/ruff_python_formatter/resources/test/fixtures/ruff/fmt_on_off/fmt_off_unclosed_deep_nested_trailing_comment.py
 ---
 ## Input
-```py
+```python
 # Regression test for https://github.com/astral-sh/ruff/issues/8211
 
 # fmt: off
@@ -15,7 +15,7 @@ if True:
 ```
 
 ## Output
-```py
+```python
 # Regression test for https://github.com/astral-sh/ruff/issues/8211
 
 # fmt: off

crates/ruff_python_formatter/tests/snapshots/format@fmt_on_off__fmt_off_unclosed_trailing_comment.py.snap

@@ -3,7 +3,7 @@ source: crates/ruff_python_formatter/tests/fixtures.rs
 input_file: crates/ruff_python_formatter/resources/test/fixtures/ruff/fmt_on_off/fmt_off_unclosed_trailing_comment.py
 ---
 ## Input
-```py
+```python
 # Regression test for https://github.com/astral-sh/ruff/issues/8211
 
 # fmt: off
@@ -15,7 +15,7 @@ class A:
 ```
 
 ## Output
-```py
+```python
 # Regression test for https://github.com/astral-sh/ruff/issues/8211
 
 # fmt: off

crates/ruff_python_formatter/tests/snapshots/format@fmt_on_off__form_feed.py.snap

@@ -3,7 +3,7 @@ source: crates/ruff_python_formatter/tests/fixtures.rs
 input_file: crates/ruff_python_formatter/resources/test/fixtures/ruff/fmt_on_off/form_feed.py
 ---
 ## Input
-```py
+```python
 # fmt: off
 # DB layer  (form feed at the start of the next line)
 
@@ -14,7 +14,7 @@ def test():
 ```
 
 ## Output
-```py
+```python
 # fmt: off
 # DB layer  (form feed at the start of the next line)
 

crates/ruff_python_formatter/tests/snapshots/format@fmt_on_off__indent.py.snap

@@ -3,7 +3,7 @@ source: crates/ruff_python_formatter/tests/fixtures.rs
 input_file: crates/ruff_python_formatter/resources/test/fixtures/ruff/fmt_on_off/indent.py
 ---
 ## Input
-```py
+```python
 ```
 
 ## Outputs
@@ -17,7 +17,7 @@ magic-trailing-comma    = Respect
 preview                 = Disabled
 ```
 
-```py
+```python
 ```
 
 
@@ -31,7 +31,7 @@ magic-trailing-comma    = Respect
 preview                 = Disabled
 ```
 
-```py
+```python
 ```
 
 
@@ -45,7 +45,7 @@ magic-trailing-comma    = Respect
 preview                 = Disabled
 ```
 
-```py
+```python
 ```
 
 

crates/ruff_python_formatter/tests/snapshots/format@fmt_on_off__last_statement.py.snap

@@ -3,7 +3,7 @@ source: crates/ruff_python_formatter/tests/fixtures.rs
 input_file: crates/ruff_python_formatter/resources/test/fixtures/ruff/fmt_on_off/last_statement.py
 ---
 ## Input
-```py
+```python
 def test():
     # fmt: off
 
@@ -17,7 +17,7 @@ a   + b # formatted
 ```
 
 ## Output
-```py
+```python
 def test():
     # fmt: off
 

crates/ruff_python_formatter/tests/snapshots/format@fmt_on_off__mixed_space_and_tab.py.snap

@@ -3,7 +3,7 @@ source: crates/ruff_python_formatter/tests/fixtures.rs
 input_file: crates/ruff_python_formatter/resources/test/fixtures/ruff/fmt_on_off/mixed_space_and_tab.py
 ---
 ## Input
-```py
+```python
 def test():
  # fmt: off
  	a_very_small_indent
@@ -32,7 +32,7 @@ magic-trailing-comma    = Respect
 preview                 = Disabled
 ```
 
-```py
+```python
 def test():
     # fmt: off
     a_very_small_indent
@@ -62,7 +62,7 @@ magic-trailing-comma    = Respect
 preview                 = Disabled
 ```
 
-```py
+```python
 def test():
   # fmt: off
   a_very_small_indent
@@ -92,7 +92,7 @@ magic-trailing-comma    = Respect
 preview                 = Disabled
 ```
 
-```py
+```python
 def test():
 	# fmt: off
 	a_very_small_indent

crates/ruff_python_formatter/tests/snapshots/format@fmt_on_off__newlines.py.snap

@@ -3,7 +3,7 @@ source: crates/ruff_python_formatter/tests/fixtures.rs
 input_file: crates/ruff_python_formatter/resources/test/fixtures/ruff/fmt_on_off/newlines.py
 ---
 ## Input
-```py
+```python
 def func():
     pass
 # fmt: off
@@ -43,7 +43,7 @@ def func():
 ```
 
 ## Output
-```py
+```python
 def func():
     pass
 

crates/ruff_python_formatter/tests/snapshots/format@fmt_on_off__no_fmt_on.py.snap

@@ -3,7 +3,7 @@ source: crates/ruff_python_formatter/tests/fixtures.rs
 input_file: crates/ruff_python_formatter/resources/test/fixtures/ruff/fmt_on_off/no_fmt_on.py
 ---
 ## Input
-```py
+```python
 def test():
     # fmt: off
     not   formatted
@@ -16,7 +16,7 @@ a   + b
 ```
 
 ## Output
-```py
+```python
 def test():
     # fmt: off
     not   formatted

crates/ruff_python_formatter/tests/snapshots/format@fmt_on_off__off_on_off_on.py.snap

@@ -3,7 +3,7 @@ source: crates/ruff_python_formatter/tests/fixtures.rs
 input_file: crates/ruff_python_formatter/resources/test/fixtures/ruff/fmt_on_off/off_on_off_on.py
 ---
 ## Input
-```py
+```python
 # Tricky sequences of fmt off and on
 
 # Formatted
@@ -78,7 +78,7 @@ a   + b
 ```
 
 ## Output
-```py
+```python
 # Tricky sequences of fmt off and on
 
 # Formatted

crates/ruff_python_formatter/tests/snapshots/format@fmt_on_off__simple.py.snap

@@ -3,7 +3,7 @@ source: crates/ruff_python_formatter/tests/fixtures.rs
 input_file: crates/ruff_python_formatter/resources/test/fixtures/ruff/fmt_on_off/simple.py
 ---
 ## Input
-```py
+```python
 # Get's formatted
 a +   b
 
@@ -16,7 +16,7 @@ a +  b
 ```
 
 ## Output
-```py
+```python
 # Get's formatted
 a + b
 

crates/ruff_python_formatter/tests/snapshots/format@fmt_on_off__trailing_comments.py.snap

@@ -3,7 +3,7 @@ source: crates/ruff_python_formatter/tests/fixtures.rs
 input_file: crates/ruff_python_formatter/resources/test/fixtures/ruff/fmt_on_off/trailing_comments.py
 ---
 ## Input
-```py
+```python
 a = 10
 # fmt: off
 
@@ -47,7 +47,7 @@ def test3  ():
 ```
 
 ## Output
-```py
+```python
 a = 10
 # fmt: off
 

crates/ruff_python_formatter/tests/snapshots/format@fmt_on_off__trailing_semicolon.py.snap

@@ -3,7 +3,7 @@ source: crates/ruff_python_formatter/tests/fixtures.rs
 input_file: crates/ruff_python_formatter/resources/test/fixtures/ruff/fmt_on_off/trailing_semicolon.py
 ---
 ## Input
-```py
+```python
 def f():
     # fmt: off
     a = 10
@@ -34,7 +34,7 @@ last_statement_with_semi   ;
 ```
 
 ## Output
-```py
+```python
 def f():
     # fmt: off
     a = 10

crates/ruff_python_formatter/tests/snapshots/format@fmt_on_off__yapf.py.snap

@@ -3,7 +3,7 @@ source: crates/ruff_python_formatter/tests/fixtures.rs
 input_file: crates/ruff_python_formatter/resources/test/fixtures/ruff/fmt_on_off/yapf.py
 ---
 ## Input
-```py
+```python
 # Get's formatted
 a +   b
 
@@ -24,7 +24,7 @@ a +  b
 ```
 
 ## Output
-```py
+```python
 # Get's formatted
 a + b
 

crates/ruff_python_formatter/tests/snapshots/format@fmt_skip__decorators.py.snap

@@ -3,7 +3,7 @@ source: crates/ruff_python_formatter/tests/fixtures.rs
 input_file: crates/ruff_python_formatter/resources/test/fixtures/ruff/fmt_skip/decorators.py
 ---
 ## Input
-```py
+```python
 
 @FormattedDecorator(a =b)
  # leading comment
@@ -39,7 +39,7 @@ def foo():  # fmt: skip
 ```
 
 ## Output
-```py
+```python
 @FormattedDecorator(a=b)
 # leading comment
 @MyDecorator( # dangling comment

crates/ruff_python_formatter/tests/snapshots/format@fmt_skip__docstrings.py.snap

@@ -3,7 +3,7 @@ source: crates/ruff_python_formatter/tests/fixtures.rs
 input_file: crates/ruff_python_formatter/resources/test/fixtures/ruff/fmt_skip/docstrings.py
 ---
 ## Input
-```py
+```python
 def test():
         # leading comment
     """ This docstring does not
@@ -20,7 +20,7 @@ def test():
 ```
 
 ## Output
-```py
+```python
 def test():
     # leading comment
     """ This docstring does not

crates/ruff_python_formatter/tests/snapshots/format@fmt_skip__match.py.snap

@@ -3,7 +3,7 @@ source: crates/ruff_python_formatter/tests/fixtures.rs
 input_file: crates/ruff_python_formatter/resources/test/fixtures/ruff/fmt_skip/match.py
 ---
 ## Input
-```py
+```python
 def http_error(status):
     match status   : # fmt: skip
         case 400   : # fmt: skip
@@ -80,7 +80,7 @@ match point:
 ```
 
 ## Output
-```py
+```python
 def http_error(status):
     match status   :  # fmt: skip
         case 400   :  # fmt: skip