Merge pull request #2 from scop/tox-warings-typo

Fix typo in tox PYTHONWARNINGS var name

Author: fucm

tox.ini

@@ -13,7 +13,7 @@ deps =
     twisted
     -rrequirements.txt
 setenv =
-    PYTHONWARINGS=all
+    PYTHONWARNINGS=all
 commands =
     pytest