code: def _color(s, level):
      if not _isatty or not _shell:
          return s
      if level >= logging.ERROR:
          return f"\033[31m{s}\033[0m"
      if level >= logging.WARNING:
          return f"\033[33m{s}\033[0m"
      return s
  
imports: import logging
  import logging.config
  import os
  import sys
  from guild import ansi_util
label_desc: Use image node_id 2 for calling the Formatter obj's underlying member method code with example usage: obj._color(s, level) and returns: s, s, str, s, str, str, s, str