/usr/share/sip/PyQt5/Qsci/ is in pyqt5.qsci-dev 2.8.4+dfsg-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/sip/PyQt5/Qsci/qsciabstractapis.sip
/usr/share/sip/PyQt5/Qsci/qsciapis.sip
/usr/share/sip/PyQt5/Qsci/qscicommand.sip
/usr/share/sip/PyQt5/Qsci/qscicommandset.sip
/usr/share/sip/PyQt5/Qsci/qscidocument.sip
/usr/share/sip/PyQt5/Qsci/qscilexer.sip
/usr/share/sip/PyQt5/Qsci/qscilexeravs.sip
/usr/share/sip/PyQt5/Qsci/qscilexerbash.sip
/usr/share/sip/PyQt5/Qsci/qscilexerbatch.sip
/usr/share/sip/PyQt5/Qsci/qscilexercmake.sip
/usr/share/sip/PyQt5/Qsci/qscilexercoffeescript.sip
/usr/share/sip/PyQt5/Qsci/qscilexercpp.sip
/usr/share/sip/PyQt5/Qsci/qscilexercsharp.sip
/usr/share/sip/PyQt5/Qsci/qscilexercss.sip
/usr/share/sip/PyQt5/Qsci/qscilexercustom.sip
/usr/share/sip/PyQt5/Qsci/qscilexerd.sip
/usr/share/sip/PyQt5/Qsci/qscilexerdiff.sip
/usr/share/sip/PyQt5/Qsci/qscilexerfortran.sip
/usr/share/sip/PyQt5/Qsci/qscilexerfortran77.sip
/usr/share/sip/PyQt5/Qsci/qscilexerhtml.sip
/usr/share/sip/PyQt5/Qsci/qscilexeridl.sip
/usr/share/sip/PyQt5/Qsci/qscilexerjava.sip
/usr/share/sip/PyQt5/Qsci/qscilexerjavascript.sip
/usr/share/sip/PyQt5/Qsci/qscilexerlua.sip
/usr/share/sip/PyQt5/Qsci/qscilexermakefile.sip
/usr/share/sip/PyQt5/Qsci/qscilexermatlab.sip
/usr/share/sip/PyQt5/Qsci/qscilexeroctave.sip
/usr/share/sip/PyQt5/Qsci/qscilexerpascal.sip
/usr/share/sip/PyQt5/Qsci/qscilexerperl.sip
/usr/share/sip/PyQt5/Qsci/qscilexerpo.sip
/usr/share/sip/PyQt5/Qsci/qscilexerpostscript.sip
/usr/share/sip/PyQt5/Qsci/qscilexerpov.sip
/usr/share/sip/PyQt5/Qsci/qscilexerproperties.sip
/usr/share/sip/PyQt5/Qsci/qscilexerpython.sip
/usr/share/sip/PyQt5/Qsci/qscilexerruby.sip
/usr/share/sip/PyQt5/Qsci/qscilexerspice.sip
/usr/share/sip/PyQt5/Qsci/qscilexersql.sip
/usr/share/sip/PyQt5/Qsci/qscilexertcl.sip
/usr/share/sip/PyQt5/Qsci/qscilexertex.sip
/usr/share/sip/PyQt5/Qsci/qscilexerverilog.sip
/usr/share/sip/PyQt5/Qsci/qscilexervhdl.sip
/usr/share/sip/PyQt5/Qsci/qscilexerxml.sip
/usr/share/sip/PyQt5/Qsci/qscilexeryaml.sip
/usr/share/sip/PyQt5/Qsci/qscimacro.sip
/usr/share/sip/PyQt5/Qsci/qscimod3.sip
/usr/share/sip/PyQt5/Qsci/qscimod4.sip
/usr/share/sip/PyQt5/Qsci/qscimod5.sip
/usr/share/sip/PyQt5/Qsci/qscimodcommon.sip
/usr/share/sip/PyQt5/Qsci/qsciprinter.sip
/usr/share/sip/PyQt5/Qsci/qsciscintilla.sip
/usr/share/sip/PyQt5/Qsci/qsciscintillabase3.sip
/usr/share/sip/PyQt5/Qsci/qsciscintillabase4.sip
/usr/share/sip/PyQt5/Qsci/qscistyle.sip
/usr/share/sip/PyQt5/Qsci/qscistyledtext.sip