code: def _log_level():
      try:
          return os.environ["LOG_LEVEL"]
      except KeyError:
          return str(logging.getLogger().getEffectiveLevel())
  
imports: import logging
  import os
  import subprocess
  import time
  from guild import config
  from guild import exit_code
  from guild import log
  from guild import op_dep
  from guild import op_util
  from guild import run
  from guild import util
label_desc: Use image node_id 32 for calling a global function with example usage: _log_level() and returns: os, str