hacking>=6.1.0,<6.2.0 # Apache-2.0

coverage>=4.4.1 # Apache-2.0
flake8-import-order>=0.18.0,<0.19.0 # LGPLv3
python-subunit>=1.0.0 # Apache-2.0/BSD
oslotest>=3.2.0 # Apache-2.0
stestr>=1.0.0 # Apache-2.0
testtools>=2.2.0 # MIT