Merge "Fix tox -e venv -- reno new <slug>"

Author: Zuul

tox.ini

@@ -87,6 +87,10 @@ commands =
     {toxinidir}/openstackclient/tests/functional/run_stestr.sh {posargs}
 
 [testenv:venv]
+deps =
+  -c{env:UPPER_CONSTRAINTS_FILE:https://git.openstack.org/cgit/openstack/requirements/plain/upper-constraints.txt}
+  -r{toxinidir}/requirements.txt
+  -r{toxinidir}/doc/requirements.txt
 commands = {posargs}
 
 [testenv:cover]