Ignore TRY301 exceptions without except handlers (#4301)

crates/ruff/resources/test/fixtures/tryceratops/TRY301.py

@@ -45,3 +45,10 @@ def good():
         logger.exception("a failed")
     except Exception:
         logger.exception("something failed")
+
+
+def fine():
+    try:
+        a = process()  # This throws the exception now
+    finally:
+        print("finally")

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

@@ -1811,7 +1811,7 @@ where
                     tryceratops::rules::verbose_log_message(self, handlers);
                 }
                 if self.settings.rules.enabled(Rule::RaiseWithinTry) {
-                    tryceratops::rules::raise_within_try(self, body);
+                    tryceratops::rules::raise_within_try(self, body, handlers);
                 }
                 if self.settings.rules.enabled(Rule::ErrorInsteadOfException) {
                     tryceratops::rules::error_instead_of_exception(self, handlers);

crates/ruff/src/rules/tryceratops/rules/raise_within_try.rs

@@ -1,4 +1,4 @@
-use rustpython_parser::ast::{Stmt, StmtKind};
+use rustpython_parser::ast::{Excepthandler, Stmt, StmtKind};
 
 use ruff_diagnostics::{Diagnostic, Violation};
 use ruff_macros::{derive_message_formats, violation};
@@ -72,7 +72,11 @@ where
 }
 
 /// TRY301
-pub fn raise_within_try(checker: &mut Checker, body: &[Stmt]) {
+pub fn raise_within_try(checker: &mut Checker, body: &[Stmt], handlers: &[Excepthandler]) {
+    if handlers.is_empty() {
+        return;
+    }
+
     let raises = {
         let mut visitor = RaiseStatementVisitor::default();
         for stmt in body {