Python Travis version fix

Author: pgaref

.travis.yml

@@ -1,10 +1,10 @@
 language: python
 python:
-  - "2.7"
+  - 2.7g
 sudo: false
 # command to install dependencies
 install:
-    - "pip install -r requirements.txt --use-mirrors"
+    - "pip install -r requirements.txt"
     - "pip install coverage"
     - "pip install coveralls"
 script: