-c{env:UPPER_CONSTRAINTS_FILE:https://opendev.org/openstack/requirements/raw/branch/master/upper-constraints.txt}
-r{toxinidir}/requirements.txt
-r{toxinidir}/test-requirements.txt
-install_command = pip install {opts} {packages}
+install_command = pip install --use-deprecated=legacy-resolver {opts} {packages}
commands =
pytest \
--junit-xml=junit.xml \