code: def __init__(self, tensors, mask):
      self.tensors = tensors
      self.mask = mask
  
imports: import paddle
  import paddle.nn
  import paddle.nn.functional
  from scipy.optimize import linear_sum_assignment
  from paddlepanseg.cvlibs import manager, build_info_dict
  from paddlepanseg.core.runner import PanSegRunner
label_desc: Use image node_id 1 to create a new NestedTensor object from inherited base classes: object with example: obj = NestedTensor(tensors, mask)