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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:

def start_runtime(self):
        '''
        Start the system!
        '''
        while True:
            try:
                self.call_runtime()
            except Exception:
                log.error('Exception in Thorium: ', exc_info=True)
                time.sleep(self.opts['thorium_interval'])