def overwrite_example_and_description(
    schema: Dict[str, Any], model: Type["Model"]
) -> None:
    """
    Overwrites the example with properly nested children models.
    Overwrites the description if it's taken from ormar.Model.

    :param schema: schema of current model
    :type schema: Dict[str, Any]
    :param model: model class
    :type model: Type["Model"]
    """
    schema["example"] = generate_model_example(model=model)

    Overwrites the example with properly nested children models.
    Overwrites the description if it's taken from ormar.Model.

    :param schema: schema of current model
    :type schema: Dict[str, Any]
    :param model: model class
    :type model: Type["Model"]
    
ormar/models/helpers/validation.py