On Thu, Jan 20, 2011 at 2:09 PM, Uri Laserson <laser...@mit.edu> wrote:
> Hi all,
> I recently reinstalled MPL from scratch on top of python2.7 that I built
> from scratch using homebrew on OS X Snow Leopard.  Since then, I have been
> getting the following types of warnings whenever I plot something:
> /Users/laserson/matplotlib/lib/python2.7/site-packages/matplotlib/font_manager.py:1242:
> UserWarning: findfont: Font family ['sans-serif'] not found. Falling back to
> Bitstream Vera Sans
>   (prop.get_family(), self.defaultFamily[fontext]))
> Do I need to specify some configuration parameter to point somewhere that
> the installer couldn't find?
> Thanks!
> Uri

I had the same problem when I upgraded from python 2.6 to 2.7.  For
me, the issue turned out to be with my matplotlib font cache, which
was stored in my matplotlib config directory.  On linux it is in
.matplotlib directory in the home directory, I am not sure if this is
where it is on a mac.  I deleted the fontList.cache file and the
tex.cache directory stored there, and that fixed the problem.  I am
not sure you need to delete both of these, but since they were just
caches I went ahead and did so.

-Todd

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