assert self.version, "A version must be provided for OpenAPI, e.g.: '2.1.0'"
        # TODO: remove when discarding the openapi_prefix parameter
        if openapi_prefix:
            logger.warning(
                '"openapi_prefix" has been deprecated in favor of "root_path", which '
                "follows more closely the ASGI standard, is simpler, and more "
                "automatic. Check the docs at "

                raise
            except Exception as e:
                http_error = HTTPException(
                    status_code=400, detail="There was an error parsing the body"
                )
                raise http_error from e
            errors: List[Any] = []
            async with AsyncExitStack() as async_exit_stack: