-r requirements.txt
-r requirements-optional.txt
tox==3.8.6
pytest==4.4.0
coverage==4.5.3

-r requirements.txt
-r requirements-optional.txt
tox==3.8.6
pytest==4.5.0
coverage==4.5.3

Update pytest from 4.4.0 to 4.5.0
Update pytest from 4.4.0 to 4.5.0