class_docstr: information about the beams at specific time-step
class_docstr_tok: ["information","about","the","beams","at","specific","time-step"]
code: def __init__(self):
      self.entries = {}
  
imports: import torch
  import pickle
  import numpy
label_desc: Use image node_id 1 to create a new BeamState object  with example: obj = BeamState()