Add McCabe complexity checker

rest_auth/registration/serializers.py

@@ -58,7 +58,7 @@ class SocialLoginSerializer(serializers.Serializer):
         social_login.token = token
         return social_login
 
-    def validate(self, attrs):
+    def validate(self, attrs):  # noqa: C901
         view = self.context.get('view')
         request = self._get_request()
 

rest_auth/serializers.py

@@ -59,7 +59,7 @@ class LoginSerializer(serializers.Serializer):
 
         return user
 
-    def validate(self, attrs):
+    def validate(self, attrs):  # noqa: C901
         username = attrs.get('username')
         email = attrs.get('email')
         password = attrs.get('password')

setup.cfg

@@ -8,6 +8,7 @@ license_file = LICENSE
 
 [flake8]
 max_line_length = 120
+max_complexity = 10
 exclude = migrations