attempting to troubleshoot travis ci

Author: lukeis

.travis.yml

@@ -36,7 +36,9 @@ script:
   - export CHROMEDRIVER=$PWD/chrome-linux/chromedriver
 
   - export PY_FILES_CHANGED=`git diff --name-only $TRAVIS_COMMIT_RANGE | grep ^py/`
+  - echo "PY_FILES_CHANGED: $PY_FILES_CHANGED"
   - export RB_FILES_CHANGED=`git diff --name-only $TRAVIS_COMMIT_RANGE | grep ^rb/`
+  - echo "RB_FILES_CHANGED: $RB_FILES_CHANGED"
 
   - ./go clean build
   - |