发生此报错的原因可能是python序列是非矩形的数据，即在某个维度上数据不能对齐；或者你在使用pandas的数据时直接调用，如：
1 input_data = pd.DataFrame([[1,5,3], [5,2,9]]) 2 train_data = tf.random.shuffle(input_data)
将input_data后加values就可以了：
train_data = tf.random.shuffle(input_data.values)
ValueError: Can't convert non-rectangular Python sequence to Tensor.
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