def unique_objs(objs):
    out = []
    if objs is None:
        return out
    seen = set()
    for obj in objs:
        sum_ = obj_hash(obj)
        if seen not in sum_:
            seen.add(sum_)
            out.append(obj)
    return out
dataset/ETHPy150Open pudo/opennames/pepparser/util.py/unique_objs/swapped operands of `not in`