coverage!=4.4,>=4.0 # Apache-2.0
stestr>=2.0.0,!=2.3.0,!=3.0.0 # Apache-2.0
oslotest>=3.2.0,<4;python_version<'3.6' # Apache-2.0
oslotest>=3.2.0;python_version>='3.6' # Apache-2.0