code: def resolve_model_op(self, opspec):
      path = os.path.join(configlib.cwd(), opspec)
      if _is_notebook(path):
          model = NotebookModelProxy(path, opspec)
          return model, model.op_name
      return None
  
imports: import ast
  import json
  import logging
  import os
  import re
  from guild import config
  from guild import guildfile
  from guild import model
  from guild import plugin
  from guild import python_util
  from guild import util
  from .None import flags_import_util
label_desc: Use image node_id 1 for calling the NotebookPlugin obj's underlying member method code with example usage: obj.resolve_model_op(opspec) and returns: None, model,  model