fixing style errors

Author: khushishah513

src/containerapp/azext_containerapp/_validators.py

@@ -278,6 +278,7 @@ def _set_debug_defaults(cmd, namespace):
         if revision_containers:
             namespace.container = revision_containers[0]["name"]
 
+
 def validate_container_app_exists(cmd, resource_group_name, container_app_name):
     from ._client_factory import handle_raw_exception
     from ._clients import ContainerAppPreviewClient
@@ -368,4 +369,4 @@ def validate_basic_arguments(resource_group_name, container_app_name, **kwargs):
     for arg_name, arg_value in kwargs.items():
         if not arg_value:
             logger.debug("Additional argument validation failed: '%s' is empty or None", arg_name)
-            raise ValidationError(f"{arg_name.replace('_', ' ').title()} is required.")
+            raise ValidationError(f"{arg_name.replace('_', ' ').title()} is required.")