'Shutting down boosting manager. It also stops and remove all the sources.'

def shutdown(self):

    self.save_config()
    self._logger.info('Shutting    down    boostingmanager')
    for sourcekey in self.boosting_sources.keys():
        self.remove_source(sourcekey)
    self.cancel_all_pending_tasks()
    shutil.rmtree(self.settings.credit_mining_path, ignore_errors=True)
