src/transformers/models/glpn/modeling_glpn.py/GLPNDepthEstimationHead/__init__
class GLPNDepthEstimationHead:    def __init__(self, config):
        super().__init__()

        self.config = config

        channels = config.decoder_hidden_size
        self.head = nn.Sequential(
            nn.Conv2d(channels, channels, kernel_size=3, stride=1, padding=1),
            nn.ReLU(inplace=False),
            nn.Conv2d(channels, 1, kernel_size=3, stride=1, padding=1),
        )