code: def preprocess(self, data: Dict[str, Any]) -> None:
      data = self.add_label_fields_to_data(data)
  
      rows, cols = data["image"].shape[:2]
      for data_name in self.data_fields:
          data[data_name] = self.check_and_convert(
              data[data_name], rows, cols, direction="to"
          )
  
imports: from __future__ import absolute_import
  from abc import ABC, abstractmethod
  from typing import Any, Dict, Optional, Sequence, Tuple
  import numpy
  from .serialization import Serializable
label_desc: Use image node_id 6 for calling the DataProcessor obj's underlying member method code with example usage: obj.preprocess(data) without return types