[Python-modules-team] Bug#696170: ipython-notebook: ipython notebook --pylab failes without intelligent error message

Julian Taylor jtaylor.debian at googlemail.com
Mon Dec 17 20:12:48 UTC 2012

On 12/17/2012 02:51 PM, Daniel Maier wrote:
> Package: ipython-notebook
> Version: 0.13.1-2
> Severity: minor
> Dear Maintainer,
> starting ipython notebook --pylab failes with
>> [IPKernelApp] GUI event loop or pylab initialization failed
> in the console when first using matplotlib tools when python-matplotlib
> is not installed while the web interface only gives
>> NameError: name 'plot' is not defined

I don't think this can be fixed in a simple way.

It is recommended to start pylab in the notebook itself with
%pylab <backend>
to make it independent of the server that started it.
Then you get proper error messages.

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