code: def __getitem__(self, item: str) -> Any:
      return self._data[item]
  
file_path: neptune-client/src/neptune/internal/metadata_file.py
imports: import json
  import os
  from pathlib import Path
  from types import TracebackType
  from typing import Any, Dict, Optional, Type
label_desc: Use image node_id 2 for calling the MetadataFile obj's underlying member method code with example usage: obj.__getitem__(item) and returns: self