BeautifulSoup4 not supported on python 2.6 and 3.3.

Author: AkashKarnatak

.travis.yml

@@ -1,15 +1,9 @@
 language: python
-jobs:
-  include:
-    - python: 2.6
-      dist: trusty
-    - python: 2.7
-      dist: xenial
-    - python: 3.3
-      dist: trusty
-    - python: 3.4
-      dist: xenial
-    - python: 3.5
-      dist: xenial
+python:
+    - "2.7"
+    - "3.3"
+    - "3.4"
+    - "3.5"
+    - "3.7"
 # command to run tests
 script: python setup.py test