core/requirements_test.txt

# linters such as flake8 and pylint should be pinned, as new releases
# make new things fail. Manually update these pins when pulling in a
# new version
flake8==3.3
pylint==1.6.5
mypy==0.540
pydocstyle==1.1.1
coveralls>=1.1
pytest>=2.9.2
pytest-aiohttp>=0.1.3
pytest-cov>=2.3.1
pytest-timeout>=1.2.0
pytest-catchlog>=1.2.2
pytest-sugar>=0.7.1
requests_mock>=1.0
mock-open>=1.3.1
flake8-docstrings==1.0.2
asynctest>=0.8.0
freezegun>=0.3.8