code: def __init__(self, features, *shapes):
      super().__init__(
          features,
          ResidualConvUnit,
          MultiResolutionFusion,
          ChainedResidualPoolImproved,
          *shapes,
      )
  
imports: import torch.nn
label_desc: Use image node_id 1 to create a new RefineNetBlockImprovedPooling object from inherited base classes: nn with example: obj = RefineNetBlockImprovedPooling(features)