-r common.txt
flake8==3.3.0
isort==4.2.5
marshmallow==2.18.1
pytest==4.3.1
wheel==0.29.0
pytest-xdist==1.28.0
numpy==1.15.4

-r common.txt
flake8==3.3.0
isort==4.2.5
marshmallow==2.18.1
pytest==4.4.2
wheel==0.29.0
pytest-xdist==1.28.0
numpy==1.15.4

Update requirement for Pytest in windows build
Update requirement for Pytest in windows build
