def single_pre_save_handler(sender, instance, **kwargs):

    instance._ct_inventory = None


# ------------------------------------------------------------------------
Creates a pit trap
dataset/ETHPy150Open feincms/feincms/feincms/module/extensions/ct_tracker.py/single_pre_save_handler--crossover with--dataset/ETHPy150Open tuturto/pyherc/src/pyherc/test/cutesy/traps.py/pit_trap