code: def __call__(self, *args, **kwargs):
      return self.op(*args, **kwargs)
  
imports: from dataclasses import dataclass
  from typing import Dict, Optional, Sequence, Tuple, Union
  import torch
  import torch.nn.functional
  from torch import nn
  from .common import BaseOperator, get_xformers_operator, register_operator
  from .unbind import stack_or_none, unbind
label_desc: Use image node_id 1 for calling the _ForwardToFunc obj's underlying member method code with example usage: obj.__call__() and returns: self