-r requirements.txt
pycodestyle==2.3.1
pytest==3.2.1
pytest-mock==1.6.2
pytest-cov==2.5.1
pytest-xdist==1.20.0
coveralls==1.2.0
moto==1.1.1
httpretty==0.8.14
beautifulsoup4==4.6.0
freezegun==0.3.9

-r requirements.txt
pycodestyle==2.3.1
pytest==3.2.2
pytest-mock==1.6.2
pytest-cov==2.5.1
pytest-xdist==1.20.0
coveralls==1.2.0
moto==1.1.1
httpretty==0.8.14
beautifulsoup4==4.6.0
freezegun==0.3.9

Update pytest from 3.2.1 to 3.2.2
Update pytest from 3.2.1 to 3.2.2