code: def tol2(op_name, variant_name, override_dct, *, device_type=None):
      return (op_name, variant_name, override_dct, device_type)
  
imports: import itertools
  import torch
  from functorch import vmap
  import torch.utils._pytree
  from functorch_additional_op_db import additional_op_db
  from torch.testing._internal.common_methods_invocations import DecorateInfo
  from torch.testing._internal.common_methods_invocations import op_db
  from torch.testing._internal.common_modules import module_db
  import os
  import unittest
  from torch.testing._internal.common_device_type import toleranceOverride
  from torch.testing._internal.autograd_function_db import autograd_function_db
  from collections import namedtuple
label_desc: Use image node_id 22 for calling a global function with example usage: tol2(op_name, variant_name, override_dct) and returns: op_name,  variant_name,  override_dct,  device_type