sorted_3.patch corrects the __text_signature__.  Behavior of sorted is unchanged.

>>> def raises(err, lamda):
...     try:
...         lamda()
...         return False
...     except err:
...         return True
...
>>> import inspect
>>> sig = inspect.signature(sorted) 
>>> # `iterable` is positional-only
>>> assert raises(TypeError, lambda: sorted(iterable=[]))
>>> assert raises(TypeError, lambda: sig.bind(iterable=[]))
>>> # `key` and `reverse` are keyword-only
>>> assert raises(TypeError, lambda: sorted([], lambda x: x))
>>> assert raises(TypeError, lambda: sig.bind([], lambda x: x))