[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

dockerspawner/dockerspawner.py

@@ -887,7 +887,7 @@ def template_namespace(self):
     def _object_name_default(self):
         """Render the name of our container/service using name_template"""
         return self._render_templates(self.name_template)
-    
+
     async def _object_name_for_current_image(self):
         """Render the name of our container/service using name_template"""
         return self._render_templates(self.name_template)