1 files changed, 4 insertions, 0 deletions
diff --git a/tox.ini b/tox.ini
index a8b9d9f..323f521 100644
--- a/tox.ini
+++ b/tox.ini
@@ -24,15 +24,19 @@ commands =
     coverage report -m
 
 [testenv:debug]
+basepython = python3
 commands = oslo_debug_helper -t barbicanclient/tests {posargs}
 
 [testenv:pep8]
+basepython = python3
 commands = flake8 {posargs}
 
 [testenv:venv]
+basepython = python3
 commands = {posargs}
 
 [testenv:docs]
+basepython = python3
 deps =
        -c{env:UPPER_CONSTRAINTS_FILE:https://git.openstack.org/cgit/openstack/requirements/plain/upper-constraints.txt}
        -r{toxinidir}/requirements.txt