--- a/eric7/Utilities/BackgroundClient.py Sat Jul 17 15:15:03 2021 +0200 +++ b/eric7/Utilities/BackgroundClient.py Sat Jul 17 15:42:09 2021 +0200 @@ -178,12 +178,8 @@ elif fx.startswith("batch_"): callback = self.batchServices.get(fx) if callback: - try: - callback(data, self.__send, fx, self.__cancelled, - maxProcesses=self.__maxProcs) - except TypeError: - # for backward compatibility - callback(data, self.__send, fx, self.__cancelled) + callback(data, self.__send, fx, self.__cancelled, + maxProcesses=self.__maxProcs) ret = "__DONE__" else: ret = 'Unknown batch service.'