style: use __name__ for cleaner type names in error messages

yuvrajangadsingh · yuvrajangadsingh · commit a93d71f8a3ea · 2026-03-02T11:47:25.000+05:30
diff --git a/src/google/adk/tools/function_tool.py b/src/google/adk/tools/function_tool.py
@@ -167,7 +167,7 @@ def _preprocess_args(
         )
       except pydantic.ValidationError as e:
         validation_errors.append(
-            f"Parameter '{param_name}': expected type '{target_type}',"
+            f"Parameter '{param_name}': expected type '{getattr(target_type, '__name__', target_type)}',"
             f' validation error: {e}'
         )
       except (TypeError, NameError) as e:

Original file line number	Diff line number	Diff line change
`@@ -167,7 +167,7 @@ def _preprocess_args(`
`167`	`167`	`)`
`168`	`168`	`except pydantic.ValidationError as e:`
`169`	`169`	`validation_errors.append(`
`170`		`- f"Parameter '{param_name}': expected type '{target_type}',"`
	`170`	`+ f"Parameter '{param_name}': expected type '{getattr(target_type, '__name__', target_type)}',"`
`171`	`171`	`f' validation error: {e}'`
`172`	`172`	`)`
`173`	`173`	`except (TypeError, NameError) as e:`