code: def predict(self, documents, **kwargs):
          
          if isinstance(documents, (str, bytes, unicode_, np.unicode_)):
              return self._predict_one(documents, **kwargs)
          else:
              return np.concatenate([self._predict_one(doc, **kwargs) for doc in documents])
docs: Predict class (content=1 or not-content=0) of the blocks in one or many
          HTML document(s).
  
          Args:
              documents (str or List[str]): HTML document(s)
  
          Returns:
              ``np.ndarray`` or List[``np.ndarray``]: array of binary predictions
                  for content (1) or not-content (0).