KeyError                                  Traceback (most recent call last)
 in <cell line: 0>()
1 # summarize history for Accuracy
2 fig_acc = plt.figure(figsize=(10, 10))
----> 3 plt.plot(history.history['acc'])
4 plt.plot(history.history['val_acc'])
5 plt.title('model accuracy')
KeyError: 'acc'