code: def __setstate__(self, state):
      super().__setstate__(state)
      for group in self.param_groups:
          group.setdefault("nesterov", False)
  
file_path: bitsandbytes/bitsandbytes/optim/lars.py
imports: import torch
  from torch.optim import Optimizer
  from bitsandbytes.optim.optimizer import Optimizer1State
label_desc: Use image node_id 2 for calling the PytorchLARS obj's underlying member method code with example usage: obj.__setstate__(state) without return types