hacking>=4.1.0,<4.2.0;python_version<'3.8' # Apache-2.0
hacking>=7.0.0,<7.1.0;python_version>='3.8' # Apache-2.0

coverage>=3.6
discover
fixtures>=1.3.1
python-subunit>=0.0.18
testtools>=2.2.0
stestr>=1.0.0 # Apache-2.0