/usr/lib/python3/dist-packages/sleekxmpp/xmlstream/ is in python3-sleekxmpp 1.0~beta5-2.
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..
/usr/lib/python3/dist-packages/sleekxmpp/xmlstream/__init__.py
/usr/lib/python3/dist-packages/sleekxmpp/xmlstream/filesocket.py
/usr/lib/python3/dist-packages/sleekxmpp/xmlstream/handler/
/usr/lib/python3/dist-packages/sleekxmpp/xmlstream/handler/__init__.py
/usr/lib/python3/dist-packages/sleekxmpp/xmlstream/handler/base.py
/usr/lib/python3/dist-packages/sleekxmpp/xmlstream/handler/callback.py
/usr/lib/python3/dist-packages/sleekxmpp/xmlstream/handler/waiter.py
/usr/lib/python3/dist-packages/sleekxmpp/xmlstream/handler/xmlcallback.py
/usr/lib/python3/dist-packages/sleekxmpp/xmlstream/handler/xmlwaiter.py
/usr/lib/python3/dist-packages/sleekxmpp/xmlstream/jid.py
/usr/lib/python3/dist-packages/sleekxmpp/xmlstream/matcher/
/usr/lib/python3/dist-packages/sleekxmpp/xmlstream/matcher/__init__.py
/usr/lib/python3/dist-packages/sleekxmpp/xmlstream/matcher/base.py
/usr/lib/python3/dist-packages/sleekxmpp/xmlstream/matcher/id.py
/usr/lib/python3/dist-packages/sleekxmpp/xmlstream/matcher/many.py
/usr/lib/python3/dist-packages/sleekxmpp/xmlstream/matcher/stanzapath.py
/usr/lib/python3/dist-packages/sleekxmpp/xmlstream/matcher/xmlmask.py
/usr/lib/python3/dist-packages/sleekxmpp/xmlstream/matcher/xpath.py
/usr/lib/python3/dist-packages/sleekxmpp/xmlstream/scheduler.py
/usr/lib/python3/dist-packages/sleekxmpp/xmlstream/stanzabase.py
/usr/lib/python3/dist-packages/sleekxmpp/xmlstream/test.py
/usr/lib/python3/dist-packages/sleekxmpp/xmlstream/testclient.py
/usr/lib/python3/dist-packages/sleekxmpp/xmlstream/tostring/
/usr/lib/python3/dist-packages/sleekxmpp/xmlstream/tostring/__init__.py
/usr/lib/python3/dist-packages/sleekxmpp/xmlstream/tostring/tostring.py
/usr/lib/python3/dist-packages/sleekxmpp/xmlstream/xmlstream.py