Add req_succeeded as ignored name

Author: timothycrosley

hug/_whitelist.py

@@ -24,7 +24,7 @@ deps=
     marshmallow >=3.0.0rc5
 
 whitelist_externals=flake8
-commands=vulture hug --min-confidence 100
+commands=vulture hug --min-confidence 100 --ignore-names req_succeeded
 
 
 [testenv:py37-flake8]