code: def _error(msg):
      sys.stderr.write(f"guild: {msg}\n")
      sys.exit(exit_code.DEFAULT_ERROR)
  
imports: import warnings
  import logging
  import os
  import pdb
  import sys
  import traceback
  from guild import exit_code
  from guild import op_util
  from guild import util
label_desc: Use image node_id 41 for calling a global function with example usage: _error(msg) without return types