code: def __init__(self, config):
      # TODO: Remove in next version
      warnings.warn(
          "DatasetLoader has been deprecated and will be removed in future versions. "
          "Please use mmf.datasets.multi_datamodule.MultiDataModule instead.",
          DeprecationWarning,
          stacklevel=2,
      )
      self.config = config
  
file_path: mmf/mmf/common/dataset_loader.py
imports: import warnings
  from mmf.common.sample import SampleList
  from mmf.datasets.multi_dataset_loader import MultiDatasetLoader
  from mmf.utils.build import build_multiple_datamodules, build_test_reporter
label_desc: Use image node_id 1 to create a new DatasetLoader object  with example: obj = DatasetLoader(config)