if "description" in m_schema:
                m_schema["description"] = m_schema["description"].split("\f")[0]
            definitions[model_name] = m_schema
        return definitions

    def is_pv1_scalar_field(field: ModelField) -> bool:
        from fastapi import params

        field_info = field.field_info
        if not (
            field.shape == SHAPE_SINGLETON  # type: ignore[attr-defined]