Fix incorect placement of trailing stub function comments (#11632)

crates/ruff_python_formatter/src/statement/stmt_class_def.rs

@@ -55,7 +55,7 @@ impl FormatNodeRule<StmtClassDef> for FormatStmtClassDef {
         // newline between the comment and the node, but we _require_ two newlines. If there are
         // _no_ newlines between the comment and the node, we don't insert _any_ newlines; if there
         // are more than two, then `leading_comments` will preserve the correct number of newlines.
-        empty_lines_after_leading_comments(f, comments.leading(item)).fmt(f)?;
+        empty_lines_after_leading_comments(comments.leading(item)).fmt(f)?;
 
         write!(
             f,
@@ -152,7 +152,7 @@ impl FormatNodeRule<StmtClassDef> for FormatStmtClassDef {
         //
         // # comment
         // ```
-        empty_lines_before_trailing_comments(f, comments.trailing(item), NodeKind::StmtClassDef)
+        empty_lines_before_trailing_comments(comments.trailing(item), NodeKind::StmtClassDef)
             .fmt(f)?;
 
         Ok(())

crates/ruff_python_formatter/src/statement/stmt_function_def.rs

@@ -52,7 +52,7 @@ impl FormatNodeRule<StmtFunctionDef> for FormatStmtFunctionDef {
         // newline between the comment and the node, but we _require_ two newlines. If there are
         // _no_ newlines between the comment and the node, we don't insert _any_ newlines; if there
         // are more than two, then `leading_comments` will preserve the correct number of newlines.
-        empty_lines_after_leading_comments(f, comments.leading(item)).fmt(f)?;
+        empty_lines_after_leading_comments(comments.leading(item)).fmt(f)?;
 
         write!(
             f,
@@ -86,7 +86,7 @@ impl FormatNodeRule<StmtFunctionDef> for FormatStmtFunctionDef {
         //
         // # comment
         // ```
-        empty_lines_before_trailing_comments(f, comments.trailing(item), NodeKind::StmtFunctionDef)
+        empty_lines_before_trailing_comments(comments.trailing(item), NodeKind::StmtFunctionDef)
             .fmt(f)
     }
 }

crates/ruff_python_formatter/src/statement/suite.rs

@@ -240,7 +240,8 @@ impl FormatRule<Suite, PyFormatContext<'_>> for FormatSuite {
                                     preceding_stub.end(),
                                     f.context().source(),
                                 ) < 2
-                            });
+                            })
+                        && !preceding_comments.has_trailing_own_line();
 
                     if !is_preceding_stub_function_without_empty_line {
                         match self.kind {