修正from keras.utils import np_utils

原程式碼:from keras.utils import np_utils
y_train_onehot=np_utils.to_categorical(y_train_label)
y_test_onehot=np_utils.to_categorical(y_test_label)

出現錯誤:
ImportError                               Traceback (most recent call last)
Cell In[42], line 1
----> 1 from keras.utils import np_utils
      2 y_train_onehot=np_utils.to_categorical(y_train_label)
      3 y_test_onehot=np_utils.to_categorical(y_test_label)

ImportError: cannot import name 'np_utils' from 'keras.utils' (C:\ProgramData\Anaconda3\lib\site-packages\keras\utils\__init__.py)

修正成這樣就好了
from tensorflow.keras.utils import to_categorical

y_train_onehot = to_categorical(y_train_label)
y_test_onehot = to_categorical(y_test_label)

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