fix einsum issue

[jzhang533]

PR Category

User Experience

PR Types

Bug fixes

Description

fix the following use case, which is simplified from https://github.com/arogozhnikov/einops/blob/master/tests/test_einsum.py

import paddle
import numpy as np

p = "..., ..., ... -> ..."
in_shapes = ((3, 2), (3, 2), (3, 2))

in_arrays = [np.random.uniform(size=shape).astype("float32") for shape in in_shapes]
paddle_in_arrays = [paddle.to_tensor(array) for array in in_arrays]

paddle.einsum(p, *paddle_in_arrays)

this bug seems being introduced in #61348, this PR is only a workaround.

please ignore the following
PCard-66972

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[2742195759]

LGTM