/usr/share/sip/PyQt4/QtDBus/ is in python-qt4-dev 4.11.4+dfsg-2.
This file is owned by root:root, with mode 0o755.
..
/usr/share/sip/PyQt4/QtDBus/QtDBusmod.sip
/usr/share/sip/PyQt4/QtDBus/qdbusabstractadaptor.sip
/usr/share/sip/PyQt4/QtDBus/qdbusabstractinterface.sip
/usr/share/sip/PyQt4/QtDBus/qdbusargument.sip
/usr/share/sip/PyQt4/QtDBus/qdbusconnection.sip
/usr/share/sip/PyQt4/QtDBus/qdbusconnectioninterface.sip
/usr/share/sip/PyQt4/QtDBus/qdbuserror.sip
/usr/share/sip/PyQt4/QtDBus/qdbusextratypes.sip
/usr/share/sip/PyQt4/QtDBus/qdbusinterface.sip
/usr/share/sip/PyQt4/QtDBus/qdbusmessage.sip
/usr/share/sip/PyQt4/QtDBus/qdbuspendingcall.sip
/usr/share/sip/PyQt4/QtDBus/qdbusservicewatcher.sip
/usr/share/sip/PyQt4/QtDBus/qdbusunixfiledescriptor.sip
/usr/share/sip/PyQt4/QtDBus/qpydbuspendingreply.sip
/usr/share/sip/PyQt4/QtDBus/qpydbusreply.sip