code: def _sanitize_path(path: str) -> str:
      """Remove path components which would allow traversing up a directory tree from a base path.
  
      Note: This method is currently very basic and should be expanded.
      """
      return path.lstrip("/.")
  
imports: import os
  import re
  import sys
  import uuid
  from itertools import chain
  from typing import Callable, Iterable, Optional
  from onnx.onnx_pb import AttributeProto, GraphProto, ModelProto, TensorProto
label_desc: Use image node_id 13 for calling a global function with example usage: _sanitize_path(path) and returns: path