code: def __init__(self, in_ch: int, mid_ch: int, out_ch: int):
      super().__init__()
      self.conv_in = ConvBNReLU(in_ch, out_ch)
      self.encode_modules = nn.ModuleList(
          [
              ConvBNReLU(out_ch, mid_ch),
              ConvBNReLU(mid_ch, mid_ch, dilation=2),
              ConvBNReLU(mid_ch, mid_ch, dilation=4),
              ConvBNReLU(mid_ch, mid_ch, dilation=8),
          ]
      )
  
      self.decode_modules = nn.ModuleList(
          [
              ConvBNReLU(mid_ch * 2, mid_ch, dilation=4),
              ConvBNReLU(mid_ch * 2, mid_ch, dilation=2),
              ConvBNReLU(mid_ch * 2, out_ch),
          ]
      )
  
imports: from typing import Union, List
  import torch
  import torch.nn
  import torch.nn.functional
label_desc: Use image node_id 1 to create a new RSU4F object from inherited base classes: nn with example: obj = RSU4F(in_ch, mid_ch, out_ch)