I'm using Python 3.9 and PyQt5 Version 5.15. Does someone know why that would happen? When I try to save a kcl file, I get this error, and the program closes: Tested that with ...

# Source Generated with Decompyle++ # File: main.pyc (Python 3.11) Unsupported opcode: POP_JUMP_FORWARD_IF_FALSE from PyQt5.QtCore import QThreadPool from PyQt5.QtWidgets import QMainWindow, ...