Plotting learning curve in keras gives KeyError: 'val_acc'

Question

I was trying to plot train and test learning curve in keras, however, the following code produces KeyError: \'val_acc error.

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Answer 1

I have changed acc to accuracy and my problem solved. Tensorflow 2+

e.g.

accuracy = history_dict['accuracy']
val_accuracy = history_dict['val_acccuracy']