From a7f4cf7167834774c75cfb5fdc32441aa488ed2e Mon Sep 17 00:00:00 2001
From: Dmitry Mamontov <dm.mamontov@x5.ru>
Date: Sat, 20 Mar 2021 12:38:36 +0300
Subject: [PATCH] Fix Key Error

---
 custom_components/miwifi/__init__.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/custom_components/miwifi/__init__.py b/custom_components/miwifi/__init__.py
index 9a99fd6..fe8edfd 100644
--- a/custom_components/miwifi/__init__.py
+++ b/custom_components/miwifi/__init__.py
@@ -41,6 +41,8 @@ async def async_setup(hass: HomeAssistant, config: dict) -> bool:
     if DOMAIN not in config:
         return success
 
+    hass.data.setdefault(DOMAIN, {})
+
     for router in config[DOMAIN]:
         hass.data[DOMAIN][router[CONF_IP_ADDRESS]] = router