code: def _maybe_apply_guild_home(args):
      if not args.guild_home:
          return
      config.set_guild_home(_validated_dir(args.guild_home))
  
imports: import logging
  import os
  from guild import cli
  from guild import config
  from guild import log
label_desc: Use image node_id 12 for calling a global function with example usage: _maybe_apply_guild_home(args) without return types