# Namedtuple instance check

**URL:** <https://discuss.python.org/t/namedtuple-instance-check/103651>\
**Category:** Ideas\
**Created:** [September 9, 2025, 2:34pm UTC](https://discuss.python.org/t/namedtuple-instance-check/103651 "2025-09-09T14:34:20Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![NeilGirdhar](https://sea2.discourse-cdn.com/flex002/user_avatar/discuss.python.org/neilgirdhar/32/5776_2.png) [@NeilGirdhar](https://discuss.python.org/u/NeilGirdhar)\
**Post date:** [September 9, 2025, 3:43pm UTC](https://discuss.python.org/t/namedtuple-instance-check/103651/2 "2025-09-09T15:43:46Z")

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> [@kddnewton](#):
>
> I would think it would either involve adding a marker type into the hierarchy

Yes, this is the most obvious solution. I think some people just hate tiny costs more than they hate creating issues like the ones you’ve linked.

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