fixed build (flake8)

Author: ekalinin

tox.ini

@@ -13,7 +13,7 @@ commands =
     # Needed because we subprocess to ourselves
     coverage combine
     coverage report --show-missing --fail-under 55  # TODO: 100
-    flake8 nodeenv.py tests setup.py
+    flake8 --ignore=W605,W504,E241 nodeenv.py tests setup.py
 
 [testenv:venv]
 envdir = venv-nodeenv