python v3.7

Author: derek73

.travis.yml

@@ -7,8 +7,7 @@ python:
   - "3.4"
   - "3.5"
   - "3.6"
-  - "3.7-dev"
-  - "3.8-dev"
+  - "3.7"
 # command to install dependencies
 install: 
   - if [[ $TRAVIS_PYTHON_VERSION == '2.6' ]]; then pip install unittest2; fi