Correctly detect devices, which went offline during HA restart (#20933)

* Correctly detect devices, which went offline during HA restart * Update __init__.py
2019-02-21 15:48:17 +02:00 · 2019-02-21 15:48:17 +02:00 · 09692143d0
commit 09692143d0
parent 0f8575f939
1 changed files with 1 additions and 0 deletions
--- a/homeassistant/components/device_tracker/init.py
+++ b/homeassistant/components/device_tracker/init.py
@ -580,6 +580,7 @@ class Device(RestoreEntity):
            return
        self._state = state.state
        self.last_update_home = (state.state == STATE_HOME)
+        self.last_seen = dt_util.utcnow()

        for attr, var in (
                (ATTR_SOURCE_TYPE, 'source_type'),