class_docstr: DatasetBuilder for imagenet_pi dataset.
class_docstr_tok: ["DatasetBuilder","for","imagenet_pi","dataset","."]
code: def _assertion_error_msg(self, missing_item: str, path: str) -> str:
      return (
          f"ImageNet-PI requires manual download of the {missing_item}. "
          f"Please download them and place them into: {path}"
      )
  
file_path: datasets/tensorflow_datasets/datasets/imagenet_pi/imagenet_pi_dataset_builder.py
imports: import io
  import os
  from etils import epath
  import numpy
  from tensorflow_datasets.datasets.imagenet2012 import imagenet_common
  import tensorflow_datasets.public_api
label_desc: Use image node_id 3 for calling the Builder obj's underlying member method code with example usage: obj._assertion_error_msg(missing_item, path) and returns: str, missing_item, str, path