Hi Elizabeth, Glad it worked -- this was something I also ran into, which definitely will affect the upgrade process for anyone upgrading with a wipe/reinstall. I will add a note to the install script about this. Thanks John, Aycin! -Matt On Thu, Mar 24, 2011 at 4:04 PM, Elizabeth Tasker wrote:

Perfect - thank you!

aykutalp wrote:

...

Hi Elizabeth,

I had the same error before, You need to remove the cache.

rm ~/.matplotlib/*.cache

Cheers, Aycin

On Thu, Mar 24, 2011 at 8:49 PM, Elizabeth Tasker mailto:taskere@mcmaster.ca> wrote:

   Hi,

   I've had to reinstall yt due to an unconnected python problem but    now I have a runtime error:

 /home/taskere/yt/yt-2/lib/python2.7/site-packages/matplotlib/backends/backend_agg.py    in _get_agg_font(self, prop)      219             font = self._fontd.get(fname)      220             if font is None:    --> 221                 font = FT2Font(str(fname))      222                 self._fontd[fname] = font      223             self._fontd[key] = font

   RuntimeError: Could not open facefile

 /home/taskere/yt/yt-2/lib/python2.6/site-packages/matplotlib/mpl-data/fonts/ttf/Vera.ttf;    Cannotpen_Resource

   I ... forget whether this happened before :\

   Elizabeth

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