Pin python version for deploy [ci skip]

JesperDramsch · web-flow · commit bfdb74a3a347 · 2019-10-15T03:42:20.000+02:00
diff --git a/.travis.yml b/.travis.yml
@@ -36,3 +36,4 @@ deploy:
   on:
     branch: master
     tags: true
+    python: '3.7'
