code: def has_opinfo(self):
      return self.opinfos is not None
  
imports: import torch
  import copy
  from torch.testing._internal.common_methods_invocations import op_db
  from functorch_additional_op_db import additional_op_db
  from enum import Enum
  import torch._functorch.top_operators_github_usage
  import pprint
  import unittest
  import enum
  from torch.testing._internal.common_device_type import toleranceOverride
  import test_ops
  import test_vmap
label_desc: Use image node_id 2 for calling the Operator obj's underlying member method code with example usage: obj.has_opinfo() and returns: unknown