code: def get_hp_fragment(self, optim_state_key=None):
      if optim_state_key is None:
          return self.hp_fragment
      return self.get_optim_state_fragment(optim_state_key)
  
imports: import torch
  from dataclasses import dataclass
  from deepspeed import comm
  from typing import Dict
label_desc: Use image node_id 6 for calling the tensor_fragment obj's underlying member method code with example usage: obj.get_hp_fragment(optim_state_key) and returns: self, self