Maintainers for python3-pyqt5 are Debian Python Team <[email protected]>.
You may want to refer to the following packages that are part of the same source: pyqt5-dev, pyqt5-dev-tools, pyqt5-examples, python3-dbus.mainloop.pyqt5, python3-dbus.mainloop.pyqt5-dbg, python3-pyqt5-dbg, python3-pyqt5.qtbluetooth, python3-pyqt5.qtbluetooth-dbg, python3-pyqt5.qtmultimedia, python3-pyqt5.qtmultimedia-dbg, python3-pyqt5.qtnetworkauth, python3-pyqt5.qtnetworkauth-dbg, python3-pyqt5.qtnfc, python3-pyqt5.qtnfc-dbg, python3-pyqt5.qtopengl, python3-pyqt5.qtopengl-dbg, python3-pyqt5.qtpositioning, python3-pyqt5.qtpositioning-dbg, python3-pyqt5.qtquick, python3-pyqt5.qtquick-dbg, python3-pyqt5.qtremoteobjects, python3-pyqt5.qtremoteobjects-dbg, python3-pyqt5.qtsensors, python3-pyqt5.qtsensors-dbg, python3-pyqt5.qtserialport, python3-pyqt5.qtserialport-dbg, python3-pyqt5.qtsql, python3-pyqt5.qtsql-dbg, python3-pyqt5.qtsvg, python3-pyqt5.qtsvg-dbg, python3-pyqt5.qttexttospeech, python3-pyqt5.qttexttospeech-dbg, python3-pyqt5.qtwebchannel, python3-pyqt5.qtwebchannel-dbg, python3-pyqt5.qtwebkit, python3-pyqt5.qtwebkit-dbg, python3-pyqt5.qtwebsockets, python3-pyqt5.qtwebsockets-dbg, python3-pyqt5.qtx11extras, python3-pyqt5.qtx11extras-dbg, python3-pyqt5.qtxmlpatterns, python3-pyqt5.qtxmlpatterns-dbg.
You might like to refer to the python3-pyqt5 package page, to the Package Tracking System, or to the source package src:pyqt5's bug page.
If you find a bug not listed here, please report it.