The levels keyword argument is completely ignored in mpl_toolkits.mplot3d.Axes3D.contour().
One suggestion might be to delete this named keyword argument altogether from the signature. A la
Axes3D.contour(self, X, Y, Z, **kwargs)
SourceForge Comments
On Mon Sep 27 23:07:14 2010, weathergod wrote:
I believe this was fixed for the v1.0.0 release of mattplotlib. The function header in trunk and the maintenance branch does not have a 'level' keyword. I vaguely remember encountering this issue once.
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WeatherGod commented on Jun 21, 2011
as already stated, this problem was fixed a while back (but I didn't have permission to close bug reports at that time). Closing...