From d76d9f9e42ffede9a9aa2d01c5add99643c4eda2 Mon Sep 17 00:00:00 2001
From: epenet <6771947+epenet@users.noreply.github.com>
Date: Mon, 10 Jan 2022 23:30:15 +0100
Subject: [PATCH] Add type hint to get_scanner in ubus (#63856)

---
 homeassistant/components/ubus/device_tracker.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/homeassistant/components/ubus/device_tracker.py b/homeassistant/components/ubus/device_tracker.py
index 4ccba81d86c..10a8ad61621 100644
--- a/homeassistant/components/ubus/device_tracker.py
+++ b/homeassistant/components/ubus/device_tracker.py
@@ -1,4 +1,5 @@
 """Support for OpenWRT (ubus) routers."""
+from __future__ import annotations
 
 import logging
 import re
@@ -12,7 +13,9 @@ from homeassistant.components.device_tracker import (
     DeviceScanner,
 )
 from homeassistant.const import CONF_HOST, CONF_PASSWORD, CONF_USERNAME
+from homeassistant.core import HomeAssistant
 import homeassistant.helpers.config_validation as cv
+from homeassistant.helpers.typing import ConfigType
 
 _LOGGER = logging.getLogger(__name__)
 
@@ -32,9 +35,10 @@ PLATFORM_SCHEMA = PARENT_PLATFORM_SCHEMA.extend(
 )
 
 
-def get_scanner(hass, config):
+def get_scanner(hass: HomeAssistant, config: ConfigType) -> DeviceScanner | None:
     """Validate the configuration and return an ubus scanner."""
     dhcp_sw = config[DOMAIN][CONF_DHCP_SOFTWARE]
+    scanner: DeviceScanner
     if dhcp_sw == "dnsmasq":
         scanner = DnsmasqUbusDeviceScanner(config[DOMAIN])
     elif dhcp_sw == "odhcpd":