From 8f47a9109c03412d442af7ea583b3ea407295837 Mon Sep 17 00:00:00 2001
From: Russell Cloran <rcloran@gmail.com>
Date: Sun, 23 Jul 2017 23:49:03 -0700
Subject: [PATCH] prometheus: Fix zwave battery level (#8615)

---
 homeassistant/components/prometheus.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/homeassistant/components/prometheus.py b/homeassistant/components/prometheus.py
index 18a3a932d36..f244bcdd740 100644
--- a/homeassistant/components/prometheus.py
+++ b/homeassistant/components/prometheus.py
@@ -216,6 +216,9 @@ class Metrics:
         value = state_helper.state_as_number(state)
         metric.labels(**self._labels(state)).set(value)
 
+    def _handle_zwave(self, state):
+        self._battery(state)
+
 
 class PrometheusView(HomeAssistantView):
     """Handle Prometheus requests."""