code: def _get_image_features_and_info(self, feat_file):
      assert isinstance(feat_file, str)
      image_feats, infos = self.feature_dict.get(
          feat_file, (None, None)
      )
  
      if image_feats is None:
          image_feats, infos = self._read_features_and_info(feat_file)
  
      return image_feats, infos
  
file_path: mmf/mmf/datasets/databases/features_database.py
imports: import logging
  from multiprocessing.pool import ThreadPool
  import tqdm
  from mmf.datasets.databases.image_database import ImageDatabase
  from mmf.datasets.databases.readers.feature_readers import FeatureReader
  from mmf.utils.distributed import is_main
  from mmf.utils.general import get_absolute_path
label_desc: Use image node_id 5 for calling the FeaturesDatabase obj's underlying member method code with example usage: obj._get_image_features_and_info(feat_file) and returns: image_feats,  infos