diff --git a/flask_restx/utils.py b/flask_restx/utils.py
index 16aa940a..3016100f 100644
--- a/flask_restx/utils.py
+++ b/flask_restx/utils.py
@@ -25,6 +25,7 @@
 class FlaskCompatibilityWarning(DeprecationWarning):
     pass
 
+
 def merge(first, second):
     """
     Recursively merges two dictionaries.
@@ -135,6 +136,7 @@ def import_check_view_func():
     actual method body remaining the same in each flask version.
     """
     import importlib.metadata
+
     flask_version = importlib.metadata.version("flask").split(".")
 
     def local_endpoint_from_view_func(view_func: typing.Callable) -> str:
@@ -143,6 +145,7 @@ def local_endpoint_from_view_func(view_func: typing.Callable) -> str:
         """
         assert view_func is not None, "expected view func if endpoint is not provided."
         return view_func.__name__
+
     try:
         if flask_version[0] == "1":
             from flask.helpers import _endpoint_from_view_func
@@ -159,4 +162,3 @@ def local_endpoint_from_view_func(view_func: typing.Callable) -> str:
     if _endpoint_from_view_func is None:
         _endpoint_from_view_func = local_endpoint_from_view_func
     return _endpoint_from_view_func
-