src/transformers/models/dpt/modeling_dpt.py/DPTViTEncoder/__init__
class DPTViTEncoder:    def __init__(self, config: DPTConfig) -> None:
        super().__init__()
        self.config = config
        self.layer = nn.ModuleList([DPTViTLayer(config) for _ in range(config.num_hidden_layers)])
        self.gradient_checkpointing = False