Fix the metrics

buildman/manager/ephemeral.py

@@ -681,10 +681,8 @@ class EphemeralBuilderManager(BaseManager):
       parsed_metric_data = json.loads(metric_data.value)
       start_time = parsed_metric_data['start_time']
       metric.Observe(time.time() - start_time, labelvalues=[parsed_metric_data.get('executor_name', 'unknown')])
-      raise Return(True)
     except Exception:
       logger.exception("Could not write metric for realm %s", realm) 
-      raise Return(False)
 
   def _etcd_metric_key(self, realm):
     """ Create a key which is used to track a job in etcd.