class_docstr: From DETR source: https://github.com/facebookresearch/detr
  (detr/util/misc.py)
class_docstr_tok: ["From","DETR","source",":","https",":","\/\/github.com\/facebookresearch\/detr","(","detr\/util\/misc.py",")"]
code: def __repr__(self):
      return str(self.tensors)
  
imports: from typing import List, Optional, Tuple, Union
  import torch
label_desc: Use image node_id 4 for calling the NestedTensor obj's underlying member method code with example usage: obj.__repr__() and returns: str