uses released python3.8 in travis ci.

filiplajszczak · filiplajszczak · commit 0cb3b87c1efb · 2019-11-18T13:15:04.000Z
diff --git a/.travis.yml b/.travis.yml
@@ -6,7 +6,7 @@ python:
   - 3.5
   - 3.6
   - 3.7
-  - 3.8-dev
+  - 3.8
 
 # tmp fix until travis gets python3.7
 dist: xenial
