code: def load_dataset(split_path, src_dict):
      dataset = data_utils.load_indexed_dataset(
          split_path,
          src_dict,
          combine=False,  # set to true for loading `train*`
      )
      if dataset is None:
          raise FileNotFoundError(f"Dataset not found: {split_path}")
      return dataset
  
file_path: fairseq/examples/data2vec/scripts/text/unprocess_data.py
imports: import json
  import os
  import tqdm
  from fairseq.data import Dictionary, data_utils
label_desc: Use image node_id 2 for calling a global function with example usage: load_dataset(split_path, src_dict) and returns: dataset