def annotate(self, t, annotator):
        t = int(t / self.resolution)
        if self.annotatorTimed in t:
            logger.warning('another annotator {} already at time {}'.format(\
                self.annotatorTimed[t], t * self.resolution))
        else:
            self.annotatorTimed[t] = annotator
dataset/ETHPy150Open xumiao/pymonk/monk/roles/monitor.py/Tracker.annotate/swapped operands of `in`