diff --git a/travis.yml b/travis.yml
index 6fa5f81880775211c4aa71101ee7ea5416bf68f5..2b0db1f4e1aeb4fe067362d683abe18ffc104810 100644
--- a/travis.yml
+++ b/travis.yml
@@ -1,6 +1,11 @@
 language: python
 python:
+  - "2.7"
   - "3.6"
-# command to install dependencies
+
+notifications:
+  email: false
+
 install:
-  - python setup.py install .
+    - pip install -q cython numpy networkx scipy scikit-learn pandas
+    - python setup.py install
\ No newline at end of file