code: def __call__(self, batch):
      encodings = self.feature_extractor(
          [x[0] for x in batch], return_tensors="pt"
      )
      encodings["labels"] = torch.tensor(
          [x[1] for x in batch], dtype=torch.long
      )
      return encodings
  
label_desc: Use image node_id 2 for calling the ImageClassificationCollator obj's underlying member method code with example usage: obj.__call__(batch) and returns: encodings