code: def is_done(self) -> torch.Tensor:
      return self._done.all()
  
imports: import copy
  import itertools
  from typing import List, Optional, Tuple
  import torch
  import torch.nn.functional
  from transformers import BartConfig
  from transformers.generation_utils import GenerationMixin
label_desc: Use image node_id 2 for calling the BeamSearchScorerTS obj's underlying member method code with example usage: obj.is_done() and returns: self