Python Numpy标量整数转换

Question

我收到此代码的错误消息：

import numpy as np

def transform(X, a=1):
    """
    param X: np.array[batch_size, n]
    """
    for i in range(np.size(X, 0)):
        out = np.copy(X)
        x = out[i]
        tmp = np.copy(x)
        for j in range(x.size):
            if (j % 2 == 1):
                tmp[j] = a
            else:
                tmp[j] = tmp[j]**3
        out[i] = np.concatenate(x, np.flip(tmp, 0), None)
    return out

错误消息：enter image description here

如何修复此功能。期望X是2D数组（数组的数组？） X的X字符串（数组元素）。这是我的程序必须对X的每个字符串执行的示例：enter image description here