/usr/lib/python2.7/dist-packages/vtk/qt4/__init__.py is in python-vtk6 6.0.0-6.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 | """PyQt v4 widget for VTK."""
__all__ = ['QVTKRenderWindowInteractor']
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