added specification of python version

oena · web-flow · commit 0ddb779d9616 · 2017-10-25T14:13:33.000-04:00
diff --git a/.travis.yml b/.travis.yml
@@ -1 +1,6 @@
 language: python
+python:
+  - "2.7"
+  
+install: 
+  - pip install -r requirements.txt
