Fix CI config again

Author: chrisburr

.travis.yml

@@ -21,9 +21,9 @@ install:
   - export CONDA_ENV_PATH=$HOME/miniconda/envs/testenv
   - source activate testenv
   - if [ "${PYTHON}" == "3.7" ]; then
-      pip install git+https://github.com/scikit-hep/root_numpy.git
-    else
-      pip install root_numpy
+      pip install git+https://github.com/scikit-hep/root_numpy.git;
+    else;
+      pip install root_numpy;
     fi
   - pip install root_numpy rootpy
   - pip install coverage coveralls