Anaconda python, PIL and imagingtk
After uninstalling pillow and PIL:
pip install image
Fixed this issue.
Thanks for bringing this up. The ImageTk module is an extra extension that is not part of the default installation of Pillow.
This issue is long-standing: https://github.com/ContinuumIO/anaconda-issues/issues/150
We (Continuum) will investigate adding this module to our build process.
Try to verify the extension of the image, i got the same problem, and when i modified the extension the script worked