src/transformers/models/dpt/modeling_dpt.py/DPTFeatureFusionLayer/__init__
class DPTFeatureFusionLayer:    def __init__(self, config, align_corners=True):
        super().__init__()

        self.align_corners = align_corners

        self.projection = nn.Conv2d(config.fusion_hidden_size, config.fusion_hidden_size, kernel_size=1, bias=True)

        self.residual_layer1 = DPTPreActResidualLayer(config)
        self.residual_layer2 = DPTPreActResidualLayer(config)