[IPython-User] matplotlib demo - unreadable json

[Neal Becker]

I tried to follow the mpl tutuorial:

http://marakana.com/s/advanced_matplotlib_tutorial_with_library_author_john_hunter,1133/index.html#c132880

I did:
wget http://bit.ly/Ancxno
unzip ...

Then
 ipython notebook --pylab=inlib
[NotebookApp] Using existing profile dir: 
u'/home/nbecker/.config/ipython/profile_default'
[NotebookApp] The IPython Notebook is running at: http://127.0.0.1:8888
[NotebookApp] Use Control-C to stop this server and shut down all kernels.
[NotebookApp] Using local MathJax
WARNING:root:500 GET /notebooks/790bb9a3-5794-4e80-
b490-5fda461fcacb?_=1334321151178 (127.0.0.1): Unreadable JSON notebook.
ERROR:root:500 GET /notebooks/790bb9a3-5794-4e80-
b490-5fda461fcacb?_=1334321151178 (127.0.0.1) 11.49ms