docstr: Pair batch for message passing
docstr_tok: ["Pair","batch","for","message","passing"]
code: def __init__(self, batch=None, batch_target=None, **kwargs):
      r"""
      Pair batch for message passing
      """
      self.batch_target = batch_target
      self.batch = None
      super(PairBatch, self).__init__(**kwargs)
      self.__data_class__ = Batch
  
imports: import torch
  from typing import List, Optional
  from torch_geometric.data import Data
  from torch_geometric.data import Batch
  from torch_points3d.datasets.multiscale_data import MultiScaleBatch, MultiScaleData
  import re
label_desc: Use image node_id 1 to create a new PairBatch object from inherited base classes: Pair with example: obj = PairBatch(batch, batch_target)