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When plotting 3d scattered points I get an exception:
[...]matplotlib/collections.py", line 224, in preparepoints
offsets.shape = (-1, 2) # Make it Nx2
AttributeError: incompatible shape for a non-contiguous array
I commented out "offsets.shape = (1-,2)" in preparepoints() and get_datalim() to make it work.
print(offsets.shape) gives (0,2)
This is a bug caused by a recent change in NumPy (numpy/numpy#2700) and the fix (numpy/numpy#2702) was recently merged. Please update your numpy build and uncomment that line (it is necessary in the general case).