def detokenize_unicode_points(self, indices: tf.Tensor) -> tf.Tensor:
        """
        Transform Predicted Indices to Unicode Code Points (for using tflite)
        Args:
            indices: tf.Tensor of Classes in shape [None]

        Returns:
            unicode code points transcript with dtype tf.int32 and shape [None]
        """
        with tf.name_scope("indices2upoints"):
            indices = self.normalize_indices(indices)
            upoints = tf.gather_nd(self.upoints, tf.expand_dims(indices, axis=-1))
            return tf.gather_nd(upoints, tf.where(tf.not_equal(upoints, 0)))

        Transform Predicted Indices to Unicode Code Points (for using tflite)
        Args:
            indices: tf.Tensor of Classes in shape [None]

        Returns:
            unicode code points transcript with dtype tf.int32 and shape [None]
        
tensorflow_asr/tokenizers.py