diff --git a/tox.ini b/tox.ini
index d7bc4d15..cb07fc0d 100644
--- a/tox.ini
+++ b/tox.ini
@@ -29,6 +29,14 @@ commands = bash tools/pretty_tox.sh '{posargs}'
 [testenv:cover]
 commands = {toxinidir}/tools/cover.sh {posargs}
 
+[testenv:debug-py27]
+basepython = python2.7
+commands = oslo_debug_helper {posargs}
+
+[testenv:debug-py34]
+basepython = python3.4
+commands = oslo_debug_helper {posargs}
+
 [testenv:pep8]
 commands =
     flake8 {posargs}