/usr/lib/ is in python-stetl 1.1+ds-2.
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/usr/lib/python2.7/
/usr/lib/python2.7/dist-packages/
/usr/lib/python2.7/dist-packages/Stetl-1.1-nspkg.pth
/usr/lib/python2.7/dist-packages/Stetl-1.1.egg-info/
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/usr/lib/python2.7/dist-packages/stetl/version.py