chore: Python version bump

QuickSander · QuickSander · commit b73f4b6adaae · 2021-04-18T15:44:30.000+02:00
diff --git a/.travis.yml b/.travis.yml
@@ -20,7 +20,7 @@
 
 language: python
 python:
-    - "2.7"
+    - "3.6"
 
 sudo: false
 cache:
