This is according to https://www.python.org/dev/peps/pep-0479/#transition-plan <https://www.python.org/dev/peps/pep-0479/#transition-plan> but looking at Objects/genobject.c that hasn't been implemented yet. Is this as simple as removing the `else` clause here?
https://github.com/python/cpython/blob/master/Objects/genobject.c#L277-L298 <https://github.com/python/cpython/blob/master/Objects/genobject.c#L277-L298>
- ?
https://github.com/python/cpython/blob/master/Objects/genobject.c#L277-L298 <https://github.com/python/cpython/blob/master/Objects/genobject.c#L277-L298>
- ?