Update .travis.yml

bubenkoff · bubenkoff · commit cd7f22b97226 · 2014-07-31T14:20:33.000+02:00
diff --git a/.travis.yml b/.travis.yml
@@ -1,7 +1,7 @@
 language: python
 # command to install dependencies
 install:
-  - pip install python-coveralls
+  - pip install python-coveralls virtualenv
 # # command to run tests
 script: python setup.py test
 after_success:
