hacking>=6.1.0,<6.2.0 # Apache-2.0
flake8-import-order>=0.18.0,<0.19.0 # LGPLv3

coverage!=4.4,>=4.0 # Apache-2.0
fixtures>=3.0.0 # Apache-2.0/BSD
python-subunit>=1.0.0 # Apache-2.0/BSD
stestr>=2.0.0 # Apache-2.0
testtools>=2.2.0 # MIT