Fix param passed to exception

        if url.lstrip().startswith("file://"):

            # requests doesn't know what to do with file:// anyway, but just in case we swap

            # out the implementation

            raise RequestParameterInvalidException("Invalid TRS URL %s", url)

            raise RequestParameterInvalidException(f"Invalid TRS URL {url}")

        validate_non_local(url, ip_allowlist=ip_allowlist or [])

        return self._match_url(url)