class_docstr: ImageNet validation images with ReaL labels.
class_docstr_tok: ["ImageNet","validation","images","with","ReaL","labels","."]
code: def _get_real_labels(self, dl_manager):
      with tf.io.gfile.GFile(
          dl_manager.download(_REAL_LABELS_URL), "r"
      ) as f:
          # ReaL labels are ordered in the lexicographical order.
          return {
              "ILSVRC2012_val_{:08}.JPEG".format(i + 1): labels
              for i, labels in enumerate(json.load(f))
          }
  
file_path: datasets/tensorflow_datasets/datasets/imagenet2012_real/imagenet2012_real_dataset_builder.py
imports: import json
  import os
  from tensorflow_datasets.core.utils.lazy_imports_utils import tensorflow
  from tensorflow_datasets.datasets.imagenet2012 import imagenet_common
  import tensorflow_datasets.public_api
label_desc: Use image node_id 2 for calling the Builder obj's underlying member method code with example usage: obj._get_real_labels(dl_manager) and returns: unknown