Update .travis.yml
attempt to deal with new travis shell behavior
env:
global:
- TWLIGHT_MISSING_MIGRATIONS=$(git ls-files --others --exclude-standard 'TWLight/*/migrations/*.py' | wc -l)
- - BRANCH_TAG=branch_${TRAVIS_BRANCH//[^A-Za-z0-9]/_}
+ - BRANCH_TAG="branch_${TRAVIS_BRANCH//[^A-Za-z0-9]/_}"
- COMMIT_TAG=commit_${TRAVIS_COMMIT}
- BUILD_TAG=build_${TRAVIS_BUILD_NUMBER}
