From 8a2f7c6fc491a1d8e4ff39ca5f15b9d753e4f127 Mon Sep 17 00:00:00 2001
From: epenet <6771947+epenet@users.noreply.github.com>
Date: Thu, 26 Jan 2023 09:00:28 +0000
Subject: [PATCH] Add hints to get_service in tplink-lte

---
 homeassistant/components/tplink_lte/notify.py | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/homeassistant/components/tplink_lte/notify.py b/homeassistant/components/tplink_lte/notify.py
index 478b3e998c09a8..890a4ff6c88ac6 100644
--- a/homeassistant/components/tplink_lte/notify.py
+++ b/homeassistant/components/tplink_lte/notify.py
@@ -1,4 +1,6 @@
 """Support for TP-Link LTE notifications."""
+from __future__ import annotations
+
 import logging
 
 import attr
@@ -6,16 +8,22 @@
 
 from homeassistant.components.notify import ATTR_TARGET, BaseNotificationService
 from homeassistant.const import CONF_RECIPIENT
+from homeassistant.core import HomeAssistant
+from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType
 
 from . import DATA_KEY
 
 _LOGGER = logging.getLogger(__name__)
 
 
-async def async_get_service(hass, config, discovery_info=None):
+async def async_get_service(
+    hass: HomeAssistant,
+    config: ConfigType,
+    discovery_info: DiscoveryInfoType | None = None,
+) -> TplinkNotifyService | None:
     """Get the notification service."""
     if discovery_info is None:
-        return
+        return None
     return TplinkNotifyService(hass, discovery_info)