make python 3.7 mandatory on Travis

mbdevpl · mbdevpl · commit a80085bc774f · 2019-04-05T16:18:54.000+09:00
diff --git a/.travis.yml b/.travis.yml
@@ -47,8 +47,6 @@ matrix:
       env:
         - TRAVIS_PYTHON_VERSION="3.7"
         - TRAVIS_JDK_VERSION=oraclejdk8
-  allow_failures:
-    - python: "3.7"
 
 before_install:
   - |
