 in the input image.   out_channels (int, optional, defaults to 3) —
Number of channels in the output.   down_block_types (Tuple[str], optional, defaults to (DownEncoderBlock2D)) —
Tuple of downsample block types.   up_block_types (Tuple[str], optional, defaults to (UpDecoderBlock2D)) —
Tuple of upsample block types.   block_out_channels (Tuple[str], optional, defaults to (64,)) —
Tuple of block output channels.   layers_per_block (int, optiona