On Fri, Oct 22, 2010 at 6:07 AM, Patrick Sauer <pat05.m...@gmail.com> wrote: > Hi, > > I am using matplotlib in a pyqt application, in which I am displaying an > image on a FigureCanvas. My installation is Ubuntu 10.04-64bit. > This has been working like a charm for several months but recently my > application has started crashing with the following trace: > > File "/usr/lib/pymodules/python2.6/matplotlib/backends/backend_qt4agg.py", > line 83, in paintEvent > FigureCanvasAgg.draw(self) > File "/usr/lib/pymodules/python2.6/matplotlib/backends/backend_agg.py", > line 314, in draw > self.figure.draw(self.renderer) > File "/usr/lib/pymodules/python2.6/matplotlib/artist.py", line 46, in > draw_wrapper > draw(artist, renderer, *kl) > File "/usr/lib/pymodules/python2.6/matplotlib/figure.py", line 773, in > draw > for a in self.axes: a.draw(renderer) > File "/usr/lib/pymodules/python2.6/matplotlib/artist.py", line 46, in > draw_wrapper > draw(artist, renderer, *kl) > File "/usr/lib/pymodules/python2.6/matplotlib/axes.py", line 1701, in draw > im.draw(renderer) > File "/usr/lib/pymodules/python2.6/matplotlib/artist.py", line 46, in > draw_wrapper > draw(artist, renderer, *kl) > File "/usr/lib/pymodules/python2.6/matplotlib/image.py", line 237, in draw > im = self.make_image(renderer.get_image_magnification()) > File "/usr/lib/pymodules/python2.6/matplotlib/image.py", line 182, in > make_image > x = self.to_rgba(self._A, self._alpha) > File "/usr/lib/pymodules/python2.6/matplotlib/cm.py", line 166, in to_rgba > x = self.norm(x) > File "/usr/lib/pymodules/python2.6/matplotlib/colors.py", line 763, in > __call__ > elif vmin==vmax: > File "/usr/lib/python2.6/dist-packages/numpy/ma/core.py", line 3119, in > __eq__ > check._mask = mask > AttributeError: 'numpy.bool_' object has no attribute '_mask' > > > Strangely the bug seems to be intermittent, i.e. rebooting seems to > temporarily fix the issue, but it always returns. > Is this a known issue? Could I somehow fix this by reverting some of the > Ubuntu packages to older versions?
No idea, but if you post a complete, minimal example that reproduces the problem, the odds of a developer fixing it are much higher. Ryan -- Ryan May Graduate Research Assistant School of Meteorology University of Oklahoma ------------------------------------------------------------------------------ Nokia and AT&T present the 2010 Calling All Innovators-North America contest Create new apps & games for the Nokia N8 for consumers in U.S. and Canada $10 million total in prizes - $4M cash, 500 devices, nearly $6M in marketing Develop with Nokia Qt SDK, Web Runtime, or Java and Publish to Ovi Store http://p.sf.net/sfu/nokia-dev2dev _______________________________________________ Matplotlib-devel mailing list Matplotlib-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/matplotlib-devel
