CodeRabbit nitpicks.

Author: tmikula-dev

src/event_gate_lambda.py

@@ -91,12 +91,12 @@ def get_api() -> Dict[str, Any]:
     return {"statusCode": 200, "body": API}
 
 
-def lambda_handler(event: Dict[str, Any], context: Any = None) -> Dict[str, Any]:
+def lambda_handler(event: Dict[str, Any], _context: Any = None) -> Dict[str, Any]:
     """
     AWS Lambda entry point. Dispatches based on API Gateway proxy 'resource' and 'httpMethod'.
     Args:
         event: The event data from API Gateway.
-        context: The mandatory context argument for AWS Lambda invocation.
+        _context: The mandatory context argument for AWS Lambda invocation (unused).
     Returns:
         A dictionary compatible with API Gateway Lambda Proxy integration.
     Raises:
@@ -124,5 +124,5 @@ def lambda_handler(event: Dict[str, Any], context: Any = None) -> Dict[str, Any]
             sys.exit("TERMINATING")
         return build_error_response(404, "route", "Resource not found")
     except (KeyError, json.JSONDecodeError, ValueError, AttributeError, TypeError, RuntimeError) as request_exc:
-        logger.error("Request processing error: %s", request_exc)
+        logger.exception("Request processing error: %s", request_exc)
         return build_error_response(500, "internal", "Unexpected server error")

tests/handlers/test_handler_topic.py

@@ -34,11 +34,11 @@ def test_load_topic_schemas_success():
         "topic_test.json": {"type": "object", "properties": {"event_id": {"type": "string"}}},
     }
 
-    def mock_open_side_effect(file_path, *args, **kwargs):
+    def mock_open_side_effect(file_path, *_args, **_kwargs):
         for filename, schema in mock_schemas.items():
             if filename in file_path:
                 return mock_open(read_data=json.dumps(schema)).return_value
-        raise FileNotFoundError(f"File not found: {file_path}")
+        raise FileNotFoundError(file_path)
 
     with patch("builtins.open", side_effect=mock_open_side_effect):
         result = handler.load_topic_schemas()