ipython notebook don't open

Question

I try to open ipython notebook but i get this message:

Traceback (most recent call last): File "/usr/local/bin/ipython", line 5, in from pkg_resources import load_entry_point

File "/usr/lib/python2.7/dist-packages/pkg_resources/init.py", line 3080, in @_call_aside

File "/usr/lib/python2.7/dist-packages/pkg_resources/init.py", line 3066, in _call_aside f(*args, **kwargs)

File "/usr/lib/python2.7/dist-packages/pkg_resources/init.py", line 3093, in _initialize_master_working_set working_set = WorkingSet._build_master()

File "/usr/lib/python2.7/dist-packages/pkg_resources/init.py", line 651, in _build_master ws.require(requires)

File "/usr/lib/python2.7/dist-packages/pkg_resources/init.py", line 952, in require needed = self.resolve(parse_requirements(requirements))

File "/usr/lib/python2.7/dist-packages/pkg_resources/init.py", line 839, in resolve raise DistributionNotFound(req, requirers) pkg_resources.DistributionNotFound: The 'traitlets' distribution was not found and is required by ipython

Answer 1

Did you try to install this traitlets dependency ? : pip install traitlets