def _timerEvent(self):
        startTime = time.time()
        self.elapsed = startTime - self.lastTickTime

        try:
            result = self.tick()
        except:
            self.stop()
            raise

        if result is not False:
            self.lastTickTime = startTime
            if self.useScheduledTimer:
                self._schedule(time.time() - startTime)
        else:
            self.stop()
Returns the version number of the PostGIS library used with PostgreSQL.
dataset/ETHPy150Open RobotLocomotion/director/src/python/director/timercallback.py/TimerCallback._timerEvent--crossover with--dataset/ETHPy150Open django/django/django/contrib/gis/db/backends/postgis/operations.py/PostGISOperations.postgis_lib_version