code: def set_scatter_pooling(self, use_scatter_pooling):
      self._use_scatter_pooling = use_scatter_pooling
  
imports: import torch
  from torch_geometric.nn import global_max_pool, global_mean_pool
  from torch_points3d.core.common_modules.base_modules import *
  from torch_points3d.core.common_modules.spatial_transform import BaseLinearTransformSTNkD
  from torch_points3d.models.base_model import BaseInternalLossModule
label_desc: Use image node_id 2 for calling the PointNetSeg obj's underlying member method code with example usage: obj.set_scatter_pooling(use_scatter_pooling) without return types