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@ -168,12 +168,12 @@ def _get_grad_args(*args):
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# if there is no grad tensor, the backward of PreFwdPostBwd can't be triggered
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arg_zero = args[0]
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if not isinstance(arg_zero, tuple):
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raise NotImplementedError("Some torch function is incompatible because of its complcated inputs.")
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raise NotImplementedError("Some torch function is incompatible because of its complicated inputs.")
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check_grad_flag = False
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for obj in arg_zero:
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check_grad_flag |= _is_grad_tensor(obj)
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if not check_grad_flag:
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raise NotImplementedError("Some torch function is incompatible because of its complcated inputs.")
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raise NotImplementedError("Some torch function is incompatible because of its complicated inputs.")
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return arg_zero, args[1:]
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