message: diff api file on travis
diff: @@ -47,6 +47,7 @@ install:
  - python --version
  - python3 --version
  - git diff --name-only $TRAVIS_COMMIT_RANGE
  + - git diff --name-only $TRAVIS_COMMIT_RANGE api
  - ./has_changes.sh api
  - ./has_changes.sh api && cd api && make api
  - ./has_changes.sh app && cd app && make app
  