src/transformers/models/altclip/modeling_altclip.py/AltCLIPVisionTransformer/__init__
class AltCLIPVisionTransformer:    def __init__(self, config: AltCLIPVisionConfig):
        super().__init__()
        self.config = config
        embed_dim = config.hidden_size

        self.embeddings = AltCLIPVisionEmbeddings(config)
        self.pre_layrnorm = nn.LayerNorm(embed_dim, eps=config.layer_norm_eps)
        self.encoder = AltCLIPEncoder(config)
        self.post_layernorm = nn.LayerNorm(embed_dim, eps=config.layer_norm_eps)