[requires.io] dependency update

Author: requires

tox.ini

@@ -82,7 +82,7 @@ deps =
     #flake8-pep3101==1.2.1
     flake8==3.7.9
     mccabe==0.6.1
-    pep8-naming==0.9.0
+    pep8-naming==0.9.1
     pydocstyle==4.0.1
 
 commands =