ipython/ipython — pull request #4634 by damianavila (2013-12-04 00:46:14+00:00)
Title: Fix nbrun in notebooks with non-code cells.

When you try to run notebooks with the `run` magic:

`% run my_notebook.ipynb`

if the notebook contains non-code cells, it fails...
So I made a little fix to filter the code cells from the notebook passed as argument.