Update supported Python versions for Travis CI

Terrance · Terrance · commit 8fd4d2b6ead6 · 2020-08-20T19:12:29.000+01:00
diff --git a/.travis.yml b/.travis.yml
@@ -1,10 +1,10 @@
 language: python
 python:
   - "2.7"
-  - "3.4"
   - "3.5"
   - "3.6"
   - "3.7"
+  - "3.8"
 install:
   - pip install -r requirements.txt
   - pip install responses
