[vtkusers] Tutorial Step1: NotImplementedError

[Darya Yelshyna]

Hello everyone,

I am sorry for inconvenience, but I can't execute the tutorial steps
contained in the Examples folder. I pretend to use python for development
of a 3D Slicer module. When I run the Cone.py, I get the following error:

Generic Warning: In
/home/darya/Documents/Slicer-SuperBuild/VTKv6/Rendering/Core/vtkPolyDataMapper.cxx,
line 28
Error: no override found for 'vtkPolyDataMapper'.

Traceback (most recent call last):
  File "/home/darya/Documents/LiClipse
Workspace/VTKtutorials/src/Step1.py", line 14, in <module>
    coneMapper = vtk.vtkPolyDataMapper()
NotImplementedError: no concrete implementation exists for this class
vtkDebugLeaks has detected LEAKS!
Class "vtkPolyDataMapper" has 1 instance still around.

I could not find a solution for this, the only information I found was
concerning C++ programming.
Thank you in advance.

Sincerely,
Darya Yelshyna
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