gistfile1

Traceback (most recent call last):
  File "ankiqt/ui/main.pyc", line 1739, in onShowGraph
  File "anki/graphs.pyc", line 45, in <module>
  File "/Applications/Anki.app/Contents/Resources/lib/python2.6/matplotlib/figure.py", line 18, in <module>
     from axes import Axes, SubplotBase, subplot_class_factory
  File "/Applications/Anki.app/Contents/Resources/lib/python2.6/matplotlib/axes.py", line 12, in <module>
     import matplotlib.axis as maxis
  File "/Applications/Anki.app/Contents/Resources/lib/python2.6/matplotlib/axis.py", line 10, in <module>
     import matplotlib.font_manager as font_manager
  File "/Applications/Anki.app/Contents/Resources/lib/python2.6/matplotlib/font_manager.py", line 1301, in <module>
     _rebuild()
  File "/Applications/Anki.app/Contents/Resources/lib/python2.6/matplotlib/font_manager.py", line 1292, in _rebuild
     fontManager = FontManager()
  File "/Applications/Anki.app/Contents/Resources/lib/python2.6/matplotlib/font_manager.py", line 984, in __init__
     self.ttffiles = findSystemFonts(paths) + findSystemFonts()
  File "/Applications/Anki.app/Contents/Resources/lib/python2.6/matplotlib/font_manager.py", line 341, in findSystemFonts
     for f in get_fontconfig_fonts(fontext):
  File "/Applications/Anki.app/Contents/Resources/lib/python2.6/matplotlib/font_manager.py", line 298, in get_fontconfig_fonts
     pipe = subprocess.Popen(['fc-list', '', 'file'], stdout=subprocess.PIPE)
NameError :  global name 'subprocess' is not defined