traitlets.traitlets.TraitError in Pycharm

Question

I am a beginner in python. I am facing the following problem.

Whenever I start pycharm Community edition (version 5.0.3), the Python console fails to starts and shows th

Answer 1

I had the same issue. I solved this by updating ipython.

My version was 3.1.0, upgrading it to 4.1.1 solved it.

in my case:

workon project
pip install -U ipython