code: def format_field(self, value: object, format_spec: str) -> str:
      return ansi_escape(format(value, format_spec))
  
file_path: catboost/contrib/python/prompt-toolkit/py3/prompt_toolkit/formatted_text/ansi.py
imports: from __future__ import annotations
  from string import Formatter
  from typing import Generator
  from prompt_toolkit.output.vt100 import BG_ANSI_COLORS, FG_ANSI_COLORS
  from prompt_toolkit.output.vt100 import _256_colors
  from .base import StyleAndTextTuples
label_desc: Use image node_id 1 for calling the ANSIFormatter obj's underlying member method code with example usage: obj.format_field(value, format_spec) and returns: ansi_escape