diff --git a/rest_framework/permissions.py b/rest_framework/permissions.py
index 66013009f..24b3e4ec9 100644
--- a/rest_framework/permissions.py
+++ b/rest_framework/permissions.py
@@ -68,6 +68,7 @@ class BasePermission(metaclass=BasePermissionMetaclass):
         """
         return True
 
+
 class AND(BasePermission):
     def __init__(self, *args):
         self.permissions = args
@@ -113,7 +114,6 @@ class NOT(BasePermission):
         return not self.op1.has_object_permission(request, view, obj)
 
 
-
 class AllowAny(BasePermission):
     """
     Allow any access.