code: def read_file(self, filename: str, keys: List[str]):
      fn = self.download_file_from_blobstore(filename)
      logger.info(f"Loading file {fn}")
      results = []
      with ZipFile(fn, "r") as zip_file:
          for key in keys:
              with zip_file.open(key, "r") as f:
                  if key in ["D", "I", "R", "lims"]:
                      results.append(np.load(f))
                  elif key in ["P"]:
                      t = io.TextIOWrapper(f)
                      results.append(json.load(t))
                  else:
                      raise AssertionError()
      return results
  
imports: import hashlib
  import io
  import json
  import logging
  import os
  import pickle
  from dataclasses import dataclass
  import submitit
  from typing import Any, List, Optional
  from zipfile import ZipFile
  import faiss
  import numpy
  from faiss.contrib.datasets import dataset_from_name
label_desc: Use image node_id 6 for calling the BenchmarkIO obj's underlying member method code with example usage: obj.read_file(filename, keys) and returns: results