-r requirements.txt
pytest-cov==2.8.1
tox==3.14.2
tox-travis==0.12
codecov==2.0.15
coverage==4.5.4
flake8==3.7.9

-r requirements.txt
pytest-cov==2.8.1
tox==3.14.2
tox-travis==0.12
codecov==2.0.15
coverage==5.0
flake8==3.7.9

Update coverage from 4.5.4 to 5.0
Update coverage from 4.5.4 to 5.0