code: def build_vision_tower(vision_tower_cfg, **kwargs):
      vision_tower = getattr(
          vision_tower_cfg,
          "mm_vision_tower",
          getattr(vision_tower_cfg, "vision_tower", None),
      )
      is_absolute_path_exists = os.path.exists(vision_tower)
      if (
          is_absolute_path_exists
          or vision_tower.startswith("openai")
          or vision_tower.startswith("laion")
      ):
          return CLIPVisionTower(
              vision_tower, args=vision_tower_cfg, **kwargs
          )
  
      raise ValueError(f"Unknown vision tower: {vision_tower}")
  
label_desc: Use image node_id 1 for calling a global function with example usage: build_vision_tower(vision_tower_cfg) and returns: CLIPVisionTower