Remove pyflakes from tests, also.
Remove pyflakes from tests, also.

reneenoble/datacats,datacats/datacats,poguez/datacats,JJediny/datacats,JackMc/datacats,reneenoble/datacats,florianm/datacats,datawagovau/datacats,poguez/datacats,deniszgonjanin/datacats,deniszgonjanin/datacats,dborzov/datacats,JackMc/datacats,dborzov/datacats,datawagovau/datacats,wardi/datacats,JJediny/datacats,datacats/datacats,wardi/datacats,florianm/datacats