From fbfa3d1a181648a70ec9677e183675e040846f29 Mon Sep 17 00:00:00 2001
From: Paulus Schoutsen <paulus@home-assistant.io>
Date: Mon, 18 Feb 2019 13:04:04 -0800
Subject: [PATCH] Make sure that device trackers is always a list during
 creation (#21193)

---
 homeassistant/components/person/__init__.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/homeassistant/components/person/__init__.py b/homeassistant/components/person/__init__.py
index 6fb7d42e0ee..3e0b00f7442 100644
--- a/homeassistant/components/person/__init__.py
+++ b/homeassistant/components/person/__init__.py
@@ -176,7 +176,7 @@ class PersonManager:
             CONF_ID: uuid.uuid4().hex,
             CONF_NAME: name,
             CONF_USER_ID: user_id,
-            CONF_DEVICE_TRACKERS: device_trackers,
+            CONF_DEVICE_TRACKERS: device_trackers or [],
         }
         self.storage_data[person[CONF_ID]] = person
         self._async_schedule_save()