code: def from_json(cls, json, image_config=None):
          
          cls.image_config = image_config
          return cls(**{
              attr: json.get(attr if key is None else key)
              for attr, key in cls.JSON_MAPPING.items()
          })
docs: Create a model instance
  
          Arguments:
            json (:py:class:`dict`): The parsed JSON data.
            image_config (:py:class:`dict`): The API image configuration
              data.
  
          Returns:
            :py:class:`BaseModel`: The model instance.