/usr/ is in python-pyftpdlib 1.5.1-4ubuntu1.
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/usr/bin/
/usr/lib/
/usr/lib/python2.7/
/usr/share/doc/
/usr/lib/python2.7/dist-packages/
/usr/lib/python2.7/dist-packages/pyftpdlib/
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/usr/share/
/usr/share/doc/python-pyftpdlib/
/usr/share/doc/python-pyftpdlib/CREDITS
/usr/share/doc/python-pyftpdlib/README.rst.gz
/usr/share/doc/python-pyftpdlib/changelog.Debian.gz
/usr/share/doc/python-pyftpdlib/copyright
/usr/share/doc/python-pyftpdlib/demo/
/usr/share/doc/python-pyftpdlib/demo/anti_flood_ftpd.py
/usr/share/doc/python-pyftpdlib/demo/basic_ftpd.py
/usr/share/doc/python-pyftpdlib/demo/keycert.pem
/usr/share/doc/python-pyftpdlib/demo/md5_ftpd.py
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/usr/share/doc/python-pyftpdlib/demo/winnt_ftpd.py