def METHOD_NAME(instance, **kwargs):
    """
    Disassociate the Cable from the termination object, and retrace any affected CablePaths.
    """
    model = instance.termination_type.model_class()
    model.objects.filter(pk=instance.termination_id).update(cable=None, cable_end='')
    for cablepath in CablePath.objects.filter(_nodes__contains=instance.cable):
        # Remove the deleted CableTermination if it's one of the path's originating nodes
        if instance.termination in cablepath.origins:
            cablepath.origins.remove(instance.termination)
        cablepath.retrace()