Merge pull request #42 from minrk/jstest-wtf

install notebook with -e on travis

.travis.yml

@@ -13,13 +13,12 @@ env:
     - GROUP=js/notebook
     - GROUP=js/services
     - GROUP=js/tree
-    - GROUP=js/widgets
 before_install:
     - 'if [[ $GROUP == js* ]]; then wget https://7de4dfdec62155b49b44-d726a73613a1989d29b147f20996e7c1.ssl.cf2.rackcdn.com/mathjax.zip; fi'
     - 'if [[ $GROUP == js* ]]; then npm install -g casperjs; fi'
     - git clone --quiet --depth 1 https://github.com/minrk/travis-wheels travis-wheels
 install:
-    - pip install -f travis-wheels/wheelhouse -r requirements.txt file://$PWD#egg=jupyter_notebook[test] coveralls
+    - pip install -f travis-wheels/wheelhouse -r requirements.txt -e file://$PWD#egg=jupyter_notebook[test] coveralls
 script:
     - 'if [[ $GROUP == js* ]]; then python -m jupyter_notebook.jstest $GROUP; fi'
     - 'if [[ $GROUP == python ]]; then nosetests --with-coverage --cover-package=jupyter_notebook jupyter_notebook; fi'