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 __init__(self, tensors, mask: Optional["torch.Tensor"]):
      self.tensors = tensors
      self.mask = mask
  
imports: from typing import List, Optional, Tuple, Union
  import torch
label_desc: Use image node_id 1 to create a new NestedTensor object  with example: obj = NestedTensor(tensors, mask)