Updated the Python releases to try

philipkershaw · philipkershaw · commit c6e7b401d25c · 2017-09-01T15:14:16.000+01:00
diff --git a/.travis.yml b/.travis.yml
@@ -5,8 +5,7 @@ python:
   - 3.3
   - 3.4
   - 3.5
+  - 3.6
   - nightly
-  - pypy-5.3
-  - pypy3.3-5.2-alpha1
 script:
   - python setup.py install
