AttributeError: module 'keras.preprocessing.sequence' has no attribute 'pad_sequences'

这个错误通常是因为你使用的是较旧版本的 Keras 库，而 `pad_sequences` 函数是在较新版本中引入的。可以尝试升级 Keras 库到最新版本，或者使用以下代码替换 `pad_sequences` 函数：

from tensorflow.keras.preprocessing.sequence import pad_sequences

这将从 TensorFlow 库中导入 `pad_sequences` 函数，它包含在 Keras 中。在使用时，只需要将代码中的 `keras.preprocessing.sequence` 替换为 `tensorflow.keras.preprocessing.sequence` 即可。

相关问题

module 'keras.preprocessing.sequence' has no attribute 'pad_sequences'

This error might occur when you are trying to use the `pad_sequences` function from the `keras.preprocessing.sequence` module, but the function is not found. This could be due to a few reasons:

1. Incorrect import statement: Make sure you are importing the `pad_sequences` function from the correct module. The correct import statement should be:

   from keras.preprocessing.sequence import pad_sequences

2. Outdated version of Keras: `pad_sequences` is a function that was introduced in Keras version 2.1.0. If you are using an older version of Keras, you will not be able to use this function. Try updating Keras to the latest version.

3. Incorrect installation: If you have recently installed Keras, it's possible that the installation was not successful or complete. Try reinstalling Keras and make sure all dependencies are installed correctly.

4. Typo in function name: It's possible that you have misspelled the function name as "pad_sequence" instead of "pad_sequences". Double-check the spelling in your code.

If none of these solutions work, try searching for other possible causes or consult the Keras documentation or community for further help.

Building prefix dict from the default dictionary ... Loading model from cache C:\Users\26316\AppData\Local\Temp\jieba.cache Loading model cost 0.617 seconds. Prefix dict has been built successfully. Traceback (most recent call last): File "E:\PycharmProjects\neural network learning\3\emotionLSTM.py", line 38, in <module> pn['sent'] = list(preprocessing.sequence.pad_sequences(pn['sent'], maxlen=maxlen, padding='pre', truncating='pre')) AttributeError: module 'keras.preprocessing.sequence' has no attribute 'pad_sequences' Pad sequences (samples x time) Process finished with exit code 1

根据您提供的错误信息，看起来是在使用Keras的preprocessing.sequence模块时出现了问题。具体地，它指出'keras.preprocessing.sequence'没有'pad_sequences'属性。

这可能是因为您使用的Keras版本较旧，而'pad_sequences'是较新版本中的一个功能。您可以尝试更新Keras版本以解决此问题。

您可以使用以下命令在PyCharm中更新Keras：

pip install --upgrade keras

请尝试更新Keras重新运行代码，看看问题是否解决了。如果问题仍然存在，请提供更多的代码和错误信息，以便我能够更好地帮助您。