code: def init_skel(self):
      util.ensure_dir(self.guild_path("attrs"))
      if not self.has_attr("initialized"):
          self.write_attr("id", self.id)
          self.write_attr("initialized", timestamp())
  
imports: import os
  import random
  import threading
  import time
  import uuid
  import yaml
  from guild import opref
  from guild import util
  from guild import yaml_util
label_desc: Use image node_id 27 for calling the Run obj's underlying member method code with example usage: obj.init_skel() without return types