fix local group export

.travis.yml

@@ -9,7 +9,7 @@ install:
   - find ./dist -iname "*.zip" -print0 | xargs -0 pip install
   - wget https://gist.github.com/simon-weber/8211306/raw/travis-secure-redefine.py
 before_script:
-  - if '[ "${TRAVIS_PULL_REQUEST}" != "false" ]'; then export GROUP='--group=local'; fi
+  - if [ "${TRAVIS_PULL_REQUEST}" != "false" ]; then export GROUP='--group=local'; fi
 script: python travis-secure-redefine.py "python -m gmusicapi.test.run_tests $GROUP" IDARG GM_U GM_P GM_O GM_I GM_A
 after_failure: cat `python -c 'from gmusicapi.utils import utils; print utils.log_filepath'`
 branches: