3b440235e237ef59ec5763c413e7f4292dab5d79,keras/backend/tensorflow_backend.py,,is_keras_tensor,#Any#,428

Before Change

        True
    ```
    
    if not isinstance(x, (tf.Tensor,
                          tf_variables.Variable,
                          tf.SparseTensor)):
        raise ValueError("Unexpectedly found an instance of type `" + str(type(x)) + "`. "
                         "Expected a symbolic tensor instance.")
    return hasattr(x, "_keras_history")

After Change

        True
    ```
    
    if not is_tensor(x):
        raise ValueError("Unexpectedly found an instance of type `" +
                         str(type(x)) + "`. "
                         "Expected a symbolic tensor instance.")

Instances