src/transformers/models/vit_hybrid/modeling_vit_hybrid.py/ViTHybridEncoder/__init__
class ViTHybridEncoder:    def __init__(self, config: ViTHybridConfig) -> None:
        super().__init__()
        self.config = config
        self.layer = nn.ModuleList([ViTHybridLayer(config) for _ in range(config.num_hidden_layers)])
        self.gradient_checkpointing = False