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Make type of value_and_grad slightly more precise. #2704

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Apr 14, 2020
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Make type of value_and_grad slightly more precise. #2704

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3 changes: 2 additions & 1 deletion jax/api.py
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Original file line number Diff line number Diff line change
Expand Up @@ -380,7 +380,8 @@ def grad_f_aux(*args, **kwargs):
return grad_f_aux if has_aux else grad_f

def value_and_grad(fun: Callable, argnums: Union[int, Sequence[int]] = 0,
has_aux: bool = False, holomorphic: bool = False) -> Callable:
has_aux: bool = False, holomorphic: bool = False
) -> Callable[..., Tuple[Any, Any]]:
"""Create a function which evaluates both ``fun`` and the gradient of ``fun``.

Args:
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