def delete_related_user(self, user):
        self.assignment_related_users.filter(user=user).delete()
Use reg.exe to read a particular key.
dataset/ETHPy150Open OpenSlides/OpenSlides/openslides/assignments/models.py/Assignment.delete_related_user--crossover with--dataset/ETHPy150Open adobe/brackets-shell/gyp/pylib/gyp/MSVSVersion.py/_RegistryQueryBase