code: def _generate_missing_guide_error(path, line_no, operator_name):
      return DocBuildError(
          file_path=path,
          line_no=line_no,
          message=(
              f"Link to the guide is missing in operator's description: {operator_name}.\n"
              f"Please add link to the guide to the description in the following form:\n"
              f"\n"
              f".. seealso::\n"
              f"    For more information on how to use this operator, take a look at the guide:\n"
              f"    :ref:`howto/operator:{operator_name}`\n"
          ),
      )
  
imports: from __future__ import annotations
  import ast
  import itertools
  import os
  import re
  from glob import glob
  from typing import Iterable
  from docs.exts.docs_build.docs_builder import ALL_PROVIDER_YAMLS
  from docs.exts.docs_build.errors import DocBuildError
label_desc: Use image node_id 3 for calling a global function with example usage: _generate_missing_guide_error(path, line_no, operator_name) and returns: DocBuildError