I don't think I'm even using version tools anymore.

coderanger · coderanger · commit 5e0737b66543 · 2016-04-18T17:40:53.000-07:00
diff --git a/.travis.yml b/.travis.yml
@@ -4,5 +4,5 @@ python:
   - 2.7
   - 3.4
   - 3.5
-install: pip install versiontools --use-mirrors
+install: pip install -e .
 script:  python setup.py test
