-r requirements.txt
-r requirements-optional.txt
tox==3.12.1
pytest==4.5.0
coverage==4.5.3

-r requirements.txt
-r requirements-optional.txt
tox==3.12.1
pytest==5.0.0
coverage==4.5.3

Update pytest from 4.5.0 to 5.0.0
Update pytest from 4.5.0 to 5.0.0