-r requirements.txt
pytest==4.3.1
pytest-mock==1.10.1
pytest-cov==2.6.1
pytest-xdist==1.26.1
requests-mock==1.5.2
freezegun==0.3.11
flake8==3.7.7
flake8-print==3.1.0

-r requirements.txt
pytest==4.3.1
pytest-mock==1.10.1
pytest-cov==2.6.1
pytest-xdist==1.27.0
requests-mock==1.5.2
freezegun==0.3.11
flake8==3.7.7
flake8-print==3.1.0

Update pytest-xdist from 1.26.1 to 1.27.0
Update pytest-xdist from 1.26.1 to 1.27.0