Avoid space around pow for None, True and False (#8189)

crates/ruff_python_formatter/resources/test/fixtures/ruff/expression/binary_pow_spacing.py

@@ -0,0 +1,10 @@
+# No spacing
+5 ** 5
+5.0 ** 5.0
+1e5 ** 2e5
+True ** True
+False ** False
+None ** None
+
+# Space
+"a" ** "b"

crates/ruff_python_formatter/src/expression/binary_like.rs

@@ -506,7 +506,12 @@ const fn is_simple_power_operand(expr: &Expr) -> bool {
             op: UnaryOp::Not, ..
         }) => false,
         Expr::Constant(ExprConstant {
-            value: Constant::Complex { .. } | Constant::Float(_) | Constant::Int(_),
+            value:
+                Constant::Complex { .. }
+                | Constant::Float(_)
+                | Constant::Int(_)
+                | Constant::None
+                | Constant::Bool(_),
             ..
         }) => true,
         Expr::Name(_) => true,

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

@@ -0,0 +1,34 @@
+---
+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
+# No spacing
+5 ** 5
+5.0 ** 5.0
+1e5 ** 2e5
+True ** True
+False ** False
+None ** None
+
+# Space
+"a" ** "b"
+```
+
+## Output
+```py
+# No spacing
+5**5
+5.0**5.0
+1e5**2e5
+True**True
+False**False
+None**None
+
+# Space
+"a" ** "b"
+```
+
+
+