code: def _format_preamble(msg: str, path: str, spacing: str = " ") -> str:
      return f"failed to parse {msg} in '{path}':{spacing}"
  
imports: import logging
  import os
  from collections.abc import Mapping, Sequence
  from copy import deepcopy
  from itertools import product
  from typing import TYPE_CHECKING, Any, Dict, List, NamedTuple, Optional, Tuple, Type, Union
  from funcy import collecting, first, isa, join, reraise
  from dvc.exceptions import DvcException
  from dvc.log import logger
  from dvc.parsing.interpolate import ParseError
  from dvc.utils.objects import cached_property
  from .context import Context, ContextError, KeyNotInContext, MergeError, Node, VarsAlreadyLoaded
  from .interpolate import check_recursive_parse_errors, is_interpolated_string, recurse, to_str
label_desc: Use image node_id 1 for calling a global function with example usage: _format_preamble(msg, path, spacing) and returns: str, msg, str, path, str, spacing