src/transformers/models/blip/modeling_blip.py/BlipVisionModel/__init__
class BlipVisionModel:    def __init__(self, config: BlipVisionConfig):
        super().__init__(config)
        self.config = config
        embed_dim = config.hidden_size

        self.embeddings = BlipVisionEmbeddings(config)
        self.encoder = BlipEncoder(config)
        self.post_layernorm = nn.LayerNorm(embed_dim, eps=config.layer_norm_eps)

        self.post_init()