`save_model()` using h5 format requires h5py. Could not import h5py.

This error message means that the `h5py` module is not installed in your Python environment. `h5py` is a Python package for working with HDF5 files, which are commonly used for storing large datasets.

To resolve this error, you need to install `h5py` module using pip. You can do this by opening a terminal or command prompt and running the following command:

pip install h5py

After installing `h5py`, you should be able to use the `save_model()` function with the h5 format without any issues.

相关问题

`load_weights` requires h5py when loading weights from HDF5如何解决

这个错误提示意味着你在使用Keras加载HDF5格式的模型权重时需要先安装h5py库。h5py是一个可以方便地在Python中读取和写入HDF5文件的库，可以通过以下命令来安装：

pip install h5py

安装完成后，在代码中添加以下语句导入h5py库：

import h5py

然后可以使用Keras中的`load_weights`函数来加载HDF5格式的模型权重了，例如：

from keras.models import Sequential

model = Sequential()
model.load_weights('model_weights.h5')

如果仍然出现类似的错误提示，可以检查一下h5py库是否安装成功，或者尝试重新安装h5py库。