(test) foo-mbp:test foo$ jupyter notebook Traceback (most recent call last): File "/Users/foo/.pyenv/versions/test/bin/jupyter-notebook", line 7, in <module> from notebook.notebookapp import main File "/Users/foo/.pyenv/versions/2.7.10/envs/test/lib/python2.7/site-packages/notebook/notebookapp.py", line 30, in <module> from zmq.eventloop import ioloop File "/Users/foo/.pyenv/versions/2.7.10/envs/t