ci: More fix for Travis CI config

Author: achimnol

.travis.yml

@@ -12,7 +12,7 @@ stages:
 python:
   - "3.6"
   - "3.7"
-  - "3.8-dev"
+  - "3.8"
 os:
   - linux
   # - osx  # Travis CI does not officially support Python on macOS.
@@ -44,12 +44,12 @@ jobs:
           tags: true
         provider: pypi
         distributions: sdist bdist_wheel
-        skip_upload_docs: true
+        upload_docs: false
         user: "__token__"
         password:
           secure: "pypi-AgEIcHlwaS5vcmcCJDkyM2QzNjkxLTU5MWUtNDc4YS05YWU3LTg0MTUwZjlhZDRjNwACQnsicGVybWlzc2lvbnMiOiB7InByb2plY3RzIjogWyJiYWNrZW5kLWFpLWNsaWVudCJdfSwgInZlcnNpb24iOiAxfQAABiDYwYfQxE_mRlq1N1eBd6qYKViBiAqtlV0p5QVx4_h8iw"
   allow_failures:
-    - python: "3.8-dev"
+    - python: "3.8"
       os: linux
   fast_finish: true