Sourcing load-qt5printers.py produces the following error:
$ gdb Traceback (most recent call last): File "/usr/share/kde-dev-scripts/gdb/load-qt5printers.py", line 43, in <module> import qt5printers File "/usr/share/kde-dev-scripts/gdb/qt5printers/__init__.py", line 22, in <module> import core ModuleNotFoundError: No module named 'core'