code: def _r_script_init_model_op():
      return RScriptBuiltinsModelProxy(), "init"
  
imports: import logging
  import os
  import yaml
  import guild
  from guild import config
  from guild import guildfile
  from guild import model
  from guild import model_proxy
  from guild import plugin
  from .None import r_util
label_desc: Use image node_id 2 for calling a global function with example usage: _r_script_init_model_op() and returns: RScriptBuiltinsModelProxy,  str