diff --git a/rest_framework/schemas/utils.py b/rest_framework/schemas/utils.py
index ffa894e9f..84690670e 100644
--- a/rest_framework/schemas/utils.py
+++ b/rest_framework/schemas/utils.py
@@ -40,5 +40,6 @@ def get_pk_description(model, model_field):
         name=model._meta.verbose_name,
     )
 
+
 ALLOW_FILTER_ACTIONS = {"list", "retrieve", "update", "partial_update", "destroy"}
 ALLOW_FILTER_METHODS = {"get", "put", "patch", "delete"}