style: use __name__ for cleaner type names in error messages

yuvrajangadsingh · yuvrajangadsingh · commit 5c8748e7eea7 · 2026-03-11T17:06:39.000+05:30
diff --git a/src/google/adk/tools/function_tool.py b/src/google/adk/tools/function_tool.py
@@ -170,7 +170,7 @@ 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
`@@ -170,7 +170,7 @@ def _preprocess_args(`
`170`	`170`	`)`
`171`	`171`	`except pydantic.ValidationError as e:`
`172`	`172`	`validation_errors.append(`
`173`		`- f"Parameter '{param_name}': expected type '{target_type}',"`
	`173`	`+ f"Parameter '{param_name}': expected type '{getattr(target_type, '__name__', target_type)}',"`
`174`	`174`	`f' validation error: {e}'`
`175`	`175`	`)`
`176`	`176`	`except (TypeError, NameError) as e:`