The biggest gotcha is that namedtuples compare exactly like regular tuples. Thus, two namedtuple types with identical elements will compare equal even if the ty

The biggest gotcha is that namedtuples compare exactly like regular tuples. Thus, two namedtuple types with identical elements will compare equal even if the type and field names differ. Usually that isn't what you want. I've taken to using attrs everywhere for exactly this reason: http://attrs.readthedocs.io/en/stable/why.html#namedtuples http://attrs.readthedocs.io/en/stable/why.html#namedtuples