class_docstr: BuilderConfig for DiabeticRetinopathyDetection.
code: def target_pixels(self):
      return self._target_pixels
  
imports: import csv
  import io
  import os
  from absl import logging
  from etils import epath
  import numpy
  from tensorflow_datasets.core.utils.lazy_imports_utils import tensorflow
  import tensorflow_datasets.public_api
label_desc: Use image node_id 2 for calling the DiabeticRetinopathyDetectionConfig obj's underlying member method code with example usage: obj.target_pixels() and returns: self