code: def complexity(self, cx):
      if self.has_expansion:
          cx = self.expand_conv.complexity(cx)
          cx = self.project_conv.complexity(cx)
      else:
          cx = self.project_conv.complexity(cx)
  
      return cx
  
imports: from collections import OrderedDict
  from functools import partial
  from typing import Callable, Optional
  import torch.nn
  import torch
  from torch import Tensor
  from utils import *
label_desc: Use image node_id 3 for calling the FusedMBConv obj's underlying member method code with example usage: obj.complexity(cx) and returns: cx