-r requirements.txt
flake8==3.5.0
moto==1.3.3
pytest==3.6.2
pytest-env==0.6.2
pytest-mock==1.10.0
pytest-cov==2.5.1
pytest-xdist==1.22.2
coveralls==1.3.0
freezegun==0.3.10
requests-mock==1.5.0
# optional requirements for jsonschema
strict-rfc3339==0.7
rfc3987==1.3.7

-r requirements.txt
flake8==3.5.0
moto==1.3.3
pytest==3.6.3
pytest-env==0.6.2
pytest-mock==1.10.0
pytest-cov==2.5.1
pytest-xdist==1.22.2
coveralls==1.3.0
freezegun==0.3.10
requests-mock==1.5.0
# optional requirements for jsonschema
strict-rfc3339==0.7
rfc3987==1.3.7

Update pytest from 3.6.2 to 3.6.3
Update pytest from 3.6.2 to 3.6.3