def _one_item_list_condition_func(col_attr, value, condition_func):
    if value:
        return condition_func(col_attr, value[0])
    else:
        return None
option group for the command line argument parser
dataset/ETHPy150Open openstack/compass-core/compass/db/api/utils.py/_one_item_list_condition_func--crossover with--dataset/ETHPy150Open Mouse-Imaging-Centre/pydpiper/atoms_and_modules/LSQ12.py/addLSQ12ArgumentGroup