`anextawaitable_close()` should be a `METH_NOARGS` not `METH_VARARGS`
Bug report
Bug description:
See #131609 (comment).
We can backport it because a TypeError is already raised (it's not raised by anext_awaitable.close, but rather by coroutine_wrapper).
CPython versions tested on:
CPython main branch
Operating systems tested on:
No response