def get_metrics_collector(self):
    "Returns this context's metrics collector"
    if ((self.metrics_collector is None) or (not isinstance(self.metrics_collector, MetricsCollector))):
        raise RuntimeError('Metrics collector is not registered in this context')
    return self.metrics_collector
Returns this context's metrics collector
def get_metrics_collector(self):
    
    if ((self.metrics_collector is None) or (not isinstance(self.metrics_collector, MetricsCollector))):
        raise RuntimeError('Metrics collector is not registered in this context')
    return self.metrics_collector