gistfile1.diff

diff --git a/vumi/blinkenlights/metrics.py b/vumi/blinkenlights/metrics.py
index 331f43d..386fdac 100644
--- a/vumi/blinkenlights/metrics.py
+++ b/vumi/blinkenlights/metrics.py
@@ -46,7 +46,7 @@ class MetricManager(Publisher):
     def start(self, channel):
         """Start publishing metrics in a loop."""
         super(MetricManager, self).start(channel)
-        self._task = LoopingCall(self._publish_metrics)
+        self._task = LoopingCall(self.publish_metrics)
         done = self._task.start(self._publish_interval, now=False)
         done.addErrback(lambda failure: log.err(failure,
                         "MetricManager publishing task died"))
@@ -57,7 +57,7 @@ class MetricManager(Publisher):
             self._task.stop()
             self._task = None
 
-    def _publish_metrics(self):
+    def publish_metrics(self):
         msg = MetricMessage()
         # oneshot metrics
         oneshots, self._oneshot_msgs = self._oneshot_msgs, []
diff --git a/vumi/blinkenlights/tests/test_metrics.py b/vumi/blinkenlights/tests/test_metrics.py
index cce717f..3beff73 100644
--- a/vumi/blinkenlights/tests/test_metrics.py
+++ b/vumi/blinkenlights/tests/test_metrics.py
@@ -95,7 +95,7 @@ class TestMetricManager(TestCase):
         broker = yield self.start_manager(mm)
 
         cnt.inc()
-        mm._publish_metrics()
+        mm.publish_metrics()
         self._check_msg(broker, mm, cnt, [1])
 
     @inlineCallbacks
@@ -105,7 +105,7 @@ class TestMetricManager(TestCase):
         broker = yield self.start_manager(mm)
 
         mm.oneshot(cnt, 1)
-        mm._publish_metrics()
+        mm.publish_metrics()
         self._check_msg(broker, mm, cnt, [1])
 
     @inlineCallbacks