ошибка указана на картинке.
TypeError Traceback (most recent call last)
<ipython-input-200-8ea67f851d87> in <module>()
1 final_model = Sequential([
----> 2 Concatenate([image_model, caption_model], mode='concat', concat_axis=1),
3 Bidirectional(LSTM(256, return_sequences=False)),
4 Dense(vocab_size),
5 Activation('softmax')