+
:mod:`collections` --- Container datatypes
==========================================
That assumption is factored-out to an internal classmethod called
:meth:`_from_iterable` which calls ``cls(iterable)`` to produce a new set.
If the :class:`Set` mixin is being used in a class with a different
- constructor signature, you will need to override :meth:`from_iterable`
+ constructor signature, you will need to override :meth:`_from_iterable`
with a classmethod that can construct new instances from
an iterable argument.