diff --git a/tox.ini b/tox.ini
new file mode 100644
index 0000000..47c0f29
--- /dev/null
+++ b/tox.ini
@@ -0,0 +1,7 @@
+# content of: tox.ini , put in same dir as setup.py
+[tox]
+envlist = py26,py27,py33,py34
+[testenv]
+deps=pytest       # install pytest in the venvs
+commands=py.test  # or 'nosetests' or ...
+