/usr/lib/python2.7/dist-packages/ is in python-billiard 3.3.0.15-1ubuntu1.
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/usr/lib/python2.7/dist-packages/billiard/
/usr/lib/python2.7/dist-packages/billiard/dummy/
/usr/lib/python2.7/dist-packages/billiard/dummy/__init__.py
/usr/lib/python2.7/dist-packages/billiard/dummy/connection.py
/usr/lib/python2.7/dist-packages/billiard/five.py
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/usr/lib/python2.7/dist-packages/billiard/_win.py
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/usr/lib/python2.7/dist-packages/billiard/__init__.py
/usr/lib/python2.7/dist-packages/billiard/pool.py
/usr/lib/python2.7/dist-packages/billiard/_ext.py
/usr/lib/python2.7/dist-packages/billiard/managers.py
/usr/lib/python2.7/dist-packages/billiard/py2/
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/usr/lib/python2.7/dist-packages/billiard/common.py
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/usr/lib/python2.7/dist-packages/billiard/connection.py
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/usr/lib/python2.7/dist-packages/billiard-3.3.0.15.egg-info/
/usr/lib/python2.7/dist-packages/billiard-3.3.0.15.egg-info/dependency_links.txt
/usr/lib/python2.7/dist-packages/billiard-3.3.0.15.egg-info/PKG-INFO
/usr/lib/python2.7/dist-packages/billiard-3.3.0.15.egg-info/not-zip-safe
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/usr/lib/python2.7/dist-packages/billiard-3.3.0.15.egg-info/SOURCES.txt
/usr/lib/python2.7/dist-packages/_billiard.so