def start_monitoring(self):
        self.logger.info('Starting the environmental monitors')

        self.logger.info('\t environment monitors')
        self.environment_monitor.start_monitoring()

        self.logger.info('\t webcam monitors')
        # self.webcams.start_capturing()
Call to Popen, returns (errcode, stdout, stderr)
dataset/ETHPy150Open panoptes/POCS/panoptes/sensors.py/PanSensors.start_monitoring--crossover with--dataset/ETHPy150Open catkin/catkin_tools/tests/utils.py/run