Unexpectedly found an instance of type `<class 'dict'>`. Expected a symbolic tensor instance.

Question

ValueError: Unexpectedly found an instance of type `<class 'dict'>`. Expected a symbolic tensor instance.

请问这是什么错误。TensorFlow ， estimator.train(input_fn=lambda :make_dataset(train_df, y_train, epochs=100))

Answer 1

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

Answer 2

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