diff --git a/rest_framework/schemas/coreapi.py b/rest_framework/schemas/coreapi.py
index 41f3155c5..4a1ecc0f2 100644
--- a/rest_framework/schemas/coreapi.py
+++ b/rest_framework/schemas/coreapi.py
@@ -11,7 +11,10 @@ from rest_framework.settings import api_settings
 
 from .generators import BaseSchemaGenerator
 from .inspectors import ViewInspector
-from .utils import get_pk_description, is_list_view, ALLOW_FILTER_ACTIONS, ALLOW_FILTER_METHODS
+from .utils import (
+    ALLOW_FILTER_ACTIONS, ALLOW_FILTER_METHODS, get_pk_description,
+    is_list_view
+)
 
 
 def common_path(paths):
diff --git a/rest_framework/schemas/openapi.py b/rest_framework/schemas/openapi.py
index c7f5d3a7b..b84702fe8 100644
--- a/rest_framework/schemas/openapi.py
+++ b/rest_framework/schemas/openapi.py
@@ -18,7 +18,10 @@ from rest_framework.settings import api_settings
 
 from .generators import BaseSchemaGenerator
 from .inspectors import ViewInspector
-from .utils import get_pk_description, is_list_view, ALLOW_FILTER_ACTIONS, ALLOW_FILTER_METHODS
+from .utils import (
+    ALLOW_FILTER_ACTIONS, ALLOW_FILTER_METHODS, get_pk_description,
+    is_list_view
+)
 
 
 class SchemaGenerator(BaseSchemaGenerator):