diff --git a/fastapi/utils.py b/fastapi/utils.py
index ae3f51503..bcb08c69d 100644
--- a/fastapi/utils.py
+++ b/fastapi/utils.py
@@ -61,15 +61,15 @@ def is_body_allowed_for_status_code(status_code: Union[int, str, None]) -> bool:
 def get_path_param_names(path: str) -> Set[str]:
     """
     Extract path parameter names from a FastAPI route path string.
-    
+
     Args:
         path (str): The route path (e.g., '/items/{item_id}/comments/{comment_id}').
-        
+
     Returns:
         Set[str]: A set of parameter names found in the path.
     """
     return set(re.findall("{(.*?)}", path))
-    
+
 
 _invalid_args_message = (
     "Invalid args for response field! Hint: "
@@ -230,7 +230,7 @@ def generate_unique_id(route: "APIRoute") -> str:
 def deep_dict_update(main_dict: Dict[Any, Any], update_dict: Dict[Any, Any]) -> None:
     """
     Recursively update the contents of a dictionary with another dictionary.
-    
+
     Args:
         main_dict (Dict[Any, Any]): The dictionary to update in-place.
         update_dict (Dict[Any, Any]): The dictionary to update from.