Fixing flake8 E251 errors

.flake8

@@ -19,6 +19,5 @@ ignore = F401, F811, E127, E128, E301, E302, E305, E501, E701, E704, B303
 # Errors that we need to fix before enabling flake8 by default:
 #   921 F821 undefined name
 #    26 F403 from * import used
-#    14 E251 unexpected spaces around keyword argument '='
 #     7 E999 invalid syntax
 #     5 F405 name undefined or from * imports