def __init__(self, in_channels, out_channels):
    super().__init__()
    self.maxpool_conv = nn.Sequential(nn.MaxPool3d(2), DoubleConv(in_channels, out_channels))
def __init__(self, in_channels, out_channels):
    super().__init__()
    self.maxpool_conv = nn.Sequential(nn.MaxPool3d(2), DoubleConv(in_channels, out_channels))