Update formatting

Signed-off-by: Mathias L. Baumann <[email protected]>

Author: Marenz

src/frequenz/repo/config/pytest/examples.py

@@ -214,9 +214,9 @@ def _validate_with_pylint(
 class MyPythonCodeBlockParser(PythonCodeBlockParser):
     """Custom Python code block parser that uses the custom code block parser."""
 
-    codeblock_parser_class: type[_CustomPythonCodeBlockParser] = (
+    codeblock_parser_class: type[
         _CustomPythonCodeBlockParser
-    )
+    ] = _CustomPythonCodeBlockParser
 
 
 def get_sybil_arguments() -> dict[str, Any]: