Hmm, that should be fixed by now since python-pyqt5 is back in testing, as can be seen at
https://packages.debian.org/search?k...s=python-pyqt5
Code:
Package python-pyqt5
buster (testing) (python): Python 2 bindings for Qt5
5.11.2+dfsg-1+b1: amd64 arm64 armel armhf i386 mips mips64el mipsel ppc64el s390x
sid (unstable) (python): Python 2 bindings for Qt5
5.11.2+dfsg-1+b2 [debports]: sh4
5.11.2+dfsg-1+b1 [debports]: amd64 arm64 armel armhf hppa i386 m68k mips mips64el mipsel ppc64 ppc64el s390x