-r requirements.txt
pytest==3.1.1
pytest-instafail==0.3.0
pytest-timeout==1.2.0
pytest-xdist==1.16.0
requests==2.17.3
selenium==3.4.3
websocket-client==0.40.0

-r requirements.txt
pytest==3.1.2
pytest-instafail==0.3.0
pytest-timeout==1.2.0
pytest-xdist==1.16.0
requests==2.17.3
selenium==3.4.3
websocket-client==0.40.0

Update pytest from 3.1.1 to 3.1.2
Update pytest from 3.1.1 to 3.1.2