code: def __init__(self, channel_per_group=2):
      super(MaxGroupPooling, self).__init__()
      self.channel_per_group = channel_per_group
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import paddle
  import paddle.nn
  from ppocr.modeling.backbones.det_mobilenet_v3 import make_divisible
label_desc: Use image node_id 1 to create a new MaxGroupPooling object from inherited base classes: nn with example: obj = MaxGroupPooling(channel_per_group)