pylab_not_importable: Catch all exceptions, not just RuntimeErrors.

[bfroehle]

This catches situations when pylab isn't installed or fails for another
reason like:

ImportError: No module named backend_tkagg

Closes gh-2646.

[takluyver]

pylab is installed as part of matplotlib, so that case ought to be caught by the @skipif_not_matplotlib decorators already used in that file. Do we know under what conditions the 'No module named backend_tkagg' occurs?

The change looks fine, I just want to understand what the code is up to.

[bfroehle]

I suspect the error would happen in cases where your Python installation was compiled without Tk (i.e., without the Tkinter module). This prevents matplotlib from building the tkagg backend.

-Brad

[takluyver]

That makes sense. Go ahead and merge, then.

On 8 December 2012 22:10, Bradley M. Froehle notifications@github.comwrote:

I suspect the error would happen in cases where your Python installation
was compiled without Tk (i.e., without the Tkinter module). This prevents
matplotlib from building the tkagg backend.

-Brad

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