mock; python_version < '3.3'

coverage>=5.0; python_version == '2.7' or python_version >= '3.5'
pytest-cov>=2.7.0; python_version == '2.7' or python_version >= '3.5'

# coveralls 2.0 has removed support for Python 2.7 and 3.4
git+https://github.com/andy-maier/coveralls-python.git@andy/add-py27#egg=coveralls; python_version == '2.7'
coveralls>=2.1.2; python_version >= '3.5'