問題

'Cannot convert a symbolic Keras input/output to a numpy array. ’
TypeError: Cannot convert a symbolic Keras input/output to a numpy array. This error may indicate that you’re trying to pass a symbolic value to a NumPy call, which is not supported. Or, you may be trying to pass Keras symbolic inputs/outputs to a TF API that does not register dispatching, preventing Keras from automatically converting the API call to a lambda layer in the Functional Model.

解決

• 檢查numpy tensorflow版本是否符合要求
• 我這里是import的問題

from tensorflow.python.keras.layers import Input, Lambda, Dense,

修改為

from tensorflow.keras.layers import Input, Lambda, Dense,

我的問題解決

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