examples/pylab_examples/image_nonuniform.py is broken in HEAD
An attempt to access "self._oldxslice" in _get_unsampled_image is
implicated: JJ is this related to your commit in r8035 : "support
unsampled image for ps backend"
File "/home/jdhunter/dev/lib/python2.6/site-packages/matplotlib/backends/backend_wx.py",
line 1156, in _onPaint
self.draw(drawDC=drawDC)
File "/home/jdhunter/dev/lib/python2.6/site-packages/matplotlib/backends/backend_wxagg.py",
line 59, in draw
FigureCanvasAgg.draw(self)
File "/home/jdhunter/dev/lib/python2.6/site-packages/matplotlib/backends/backend_agg.py",
line 394, in draw
self.figure.draw(self.renderer)
File "/home/jdhunter/dev/lib/python2.6/site-packages/matplotlib/artist.py",
line 55, in draw_wrapper
draw(artist, renderer, *args, **kwargs)
File "/home/jdhunter/dev/lib/python2.6/site-packages/matplotlib/figure.py",
line 802, in draw
func(*args)
File "/home/jdhunter/dev/lib/python2.6/site-packages/matplotlib/artist.py",
line 55, in draw_wrapper
draw(artist, renderer, *args, **kwargs)
File "/home/jdhunter/dev/lib/python2.6/site-packages/matplotlib/axes.py",
line 1774, in draw
a.draw(renderer)
File "/home/jdhunter/dev/lib/python2.6/site-packages/matplotlib/artist.py",
line 55, in draw_wrapper
draw(artist, renderer, *args, **kwargs)
File "/home/jdhunter/dev/lib/python2.6/site-packages/matplotlib/image.py",
line 306, in draw
self._draw_unsampled_image(renderer, gc)
File "/home/jdhunter/dev/lib/python2.6/site-packages/matplotlib/image.py",
line 250, in _draw_unsampled_image
self._get_unsampled_image(self._A, self.get_extent(), self.axes.viewLim)
File "/home/jdhunter/dev/lib/python2.6/site-packages/matplotlib/image.py",
line 184, in _get_unsampled_image
if xslice != self._oldxslice or yslice != self._oldyslice:
AttributeError: 'NonUniformImage' object has no attribute '_oldxslice'