tensorflow_recommenders/layers/factorized_top_k.py [400:413]:
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  def call(
      self,
      queries: Union[tf.Tensor, Dict[Text, tf.Tensor]],
      k: Optional[int] = None,
  ) -> Tuple[tf.Tensor, tf.Tensor]:

    k = k if k is not None else self._k

    if self._candidates is None:
      raise ValueError("The `index` method must be called first to "
                       "create the retrieval index.")

    if self.query_model is not None:
      queries = self.query_model(queries)
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tensorflow_recommenders/layers/factorized_top_k.py [571:584]:
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  def call(
      self,
      queries: Union[tf.Tensor, Dict[Text, tf.Tensor]],
      k: Optional[int] = None,
  ) -> Tuple[tf.Tensor, tf.Tensor]:

    k = k if k is not None else self._k

    if self._candidates is None:
      raise ValueError("The `index` method must be called first to "
                       "create the retrieval index.")

    if self.query_model is not None:
      queries = self.query_model(queries)
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