class_docstr: BuilderConfig for Sun 397 dataset.
class_docstr_tok: ["BuilderConfig","for","Sun","397","dataset","."]
code: def partition(self):
      return self._partition
  
imports: import io
  import os
  from absl import logging
  import numpy
  from tensorflow_datasets.core import utils
  from tensorflow_datasets.core.utils.lazy_imports_utils import tensorflow
  import tensorflow_datasets.public_api
label_desc: Use image node_id 3 for calling the Sun397Config obj's underlying member method code with example usage: obj.partition() and returns: self