Test: fix for .travis.yml

Author: mfeurer

.travis.yml

@@ -26,9 +26,7 @@ install:
   - conda create -q -n test-environment python=$TRAVIS_PYTHON_VERSION numpy scipy==0.13.3 matplotlib setuptools nose
   - source activate test-environment
   - python setup.py install
-  - if [[ "$TRAVIS_PYTHON_VERSION" == "2.7" ]]; then
-      pip install mock
-    fi
+  - if [[ "$TRAVIS_PYTHON_VERSION" == "2.7" ]]; then pip install mock; fi
 
 # command to run tests, e.g. python setup.py test
 script:  python setup.py test