-r requirements.txt
django==2.0.3
bumpversion==0.5.3
wheel==0.30.0
django-environ==0.4.4
radon==2.2.0

-r requirements.txt
django==2.0.3
bumpversion==0.5.3
wheel==0.31.1
django-environ==0.4.4
radon==2.2.0

Update wheel from 0.30.0 to 0.31.1
Update wheel from 0.30.0 to 0.31.1