Last line print("Test MAE: {model.evaluate(test_dataset)[1]:.2f}") Sholud be print(f"Test MAE: {model.evaluate(test_dataset)[1]:.2f}")
Last line
print("Test MAE: {model.evaluate(test_dataset)[1]:.2f}")
Sholud be
print(f"Test MAE: {model.evaluate(test_dataset)[1]:.2f}")