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econpy authored
A matplotlib version containing the matplotlib.xkcd module is required, which was [introduced](http://matplotlib.org/users/whats_new.html#xkcd-style-sketch-plotting) in version 1.3.1.
71fb09a7
A matplotlib version containing the matplotlib.xkcd module is required, which was [introduced](http://matplotlib.org/users/whats_new.html#xkcd-style-sketch-plotting) in version 1.3.1.