/usr/share/sip/PyQt5/QtDBus/ is in pyqt5-dev 5.7+dfsg-5.
This file is owned by root:root, with mode 0o755.
..
/usr/share/sip/PyQt5/QtDBus/QtDBusmod.sip
/usr/share/sip/PyQt5/QtDBus/qdbusabstractadaptor.sip
/usr/share/sip/PyQt5/QtDBus/qdbusabstractinterface.sip
/usr/share/sip/PyQt5/QtDBus/qdbusargument.sip
/usr/share/sip/PyQt5/QtDBus/qdbusconnection.sip
/usr/share/sip/PyQt5/QtDBus/qdbusconnectioninterface.sip
/usr/share/sip/PyQt5/QtDBus/qdbuserror.sip
/usr/share/sip/PyQt5/QtDBus/qdbusextratypes.sip
/usr/share/sip/PyQt5/QtDBus/qdbusinterface.sip
/usr/share/sip/PyQt5/QtDBus/qdbusmessage.sip
/usr/share/sip/PyQt5/QtDBus/qdbuspendingcall.sip
/usr/share/sip/PyQt5/QtDBus/qdbusservicewatcher.sip
/usr/share/sip/PyQt5/QtDBus/qdbusunixfiledescriptor.sip
/usr/share/sip/PyQt5/QtDBus/qpydbuspendingreply.sip
/usr/share/sip/PyQt5/QtDBus/qpydbusreply.sip