As matplotlib does not have a bug ticketing system (at least not one I can find), I submitted a bug report to the matplotlib-users mailing list:
http://article.gmane.org/gmane.comp.python.matplotlib.general/26250 -- To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to sage-support+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-support URL: http://www.sagemath.org