Cannot find reference 'mesh_core_cython' in 'imported module mm3d.mesh.cython'

[JianBin-Liu]

I have run 'python setup.py build_ext -i' and 'python setup.py install' commands, but there is still error 'Cannot find reference 'mesh_core_cython' in 'imported module mm3d.mesh.cython' in mm3d.mesh.render.py, how can I solve this?

[Tara8573]

I have the same question, too!