code: def _remove_private_env(env, op):
      return {
          name: env[name] for name in env if name not in op.private_env
      }
  
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 12 for calling a global function with example usage: _remove_private_env(env, op) and returns: unknown