使用以下代码时，无需指定输入和输出数组：

No need to specify input and output array, when using the following code:

import tensorflow as tf

converter = tf.lite.TFLiteConverter.from_saved_model(saved_model_dir)
tflite_model = converter.convert()
open("converted_model.tflite", "wb").write(tflite_model)

尝试