code: def clean_str(v):
      if isinstance(v, str):
          return v.replace('"', r"\"")
      return str(v)
  
imports: from typing import Any, Callable, Iterable, List, Optional, Set, Union, TYPE_CHECKING
  import os, pandas
  from .Plottable import Plottable
  from .util import setup_logger
label_desc: Use image node_id 1 for calling a global function with example usage: clean_str(v) and returns: str, v