def _server_version(engine):
 conn = engine.connect()
 version = getattr(engine.dialect, 'server_version_info', ())
 conn.close()
 return version

def _server_version ( engine ) : conn = engine . connect ( ) version = getattr ( engine . dialect , 'server_version_info' , ( ) ) conn . close ( ) return version
return a server_version_info tuple .