Package: python-vtk6

"python-vtk6" package binaries on Debian:

/usr/bin/pvtk /usr/bin/pvtkpython /usr/bin/vtk6python /usr/bin/vtkWrapPython-6.1 /usr/bin/vtkWrapPythonInit-6.1

You may install this package on Debian with apt-get install python-vtk6