Font family ['cmb10'] not found

Looks like this is fixed by:

mathtext.fontset: stix

Neal Becker wrote:

···

Fedora f15. What am I missing that causes this?

/usr/lib64/python2.7/site-packages/matplotlib/font_manager.py:1242:
UserWarning: findfont: Font family ['cmb10'] not found. Falling back to
Bitstream Vera Sans
  (prop.get_family(), self.defaultFamily[fontext]))
/usr/lib64/python2.7/site-packages/matplotlib/font_manager.py:1252:
UserWarning: findfont: Could not match :family=Bitstream Vera
Sans:style=normal:variant=normal:weight=normal:stretch=normal:size=12.
Returning /usr/share/fonts/texlive-gfsdidot/GFSDidotBold.otf
  UserWarning)
/usr/lib64/python2.7/site-packages/matplotlib/font_manager.py:1242:
UserWarning: findfont: Font family ['cmtt10'] not found. Falling back to
Bitstream Vera Sans
  (prop.get_family(), self.defaultFamily[fontext]))
/usr/lib64/python2.7/site-packages/matplotlib/font_manager.py:1242:
UserWarning: findfont: Font family ['cmss10'] not found. Falling back to
Bitstream Vera Sans
  (prop.get_family(), self.defaultFamily[fontext]))

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