From e706ff0564d6b31304790b443e8c75ae290812b5 Mon Sep 17 00:00:00 2001
From: epenet <6771947+epenet@users.noreply.github.com>
Date: Wed, 31 Jul 2024 14:44:14 +0200
Subject: [PATCH] Fix implicit-return in transport_nsw (#122930)

---
 homeassistant/components/transport_nsw/sensor.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/homeassistant/components/transport_nsw/sensor.py b/homeassistant/components/transport_nsw/sensor.py
index 787f3298e59..5628274b967 100644
--- a/homeassistant/components/transport_nsw/sensor.py
+++ b/homeassistant/components/transport_nsw/sensor.py
@@ -3,6 +3,7 @@
 from __future__ import annotations
 
 from datetime import timedelta
+from typing import Any
 
 from TransportNSW import TransportNSW
 import voluptuous as vol
@@ -98,7 +99,7 @@ class TransportNSWSensor(SensorEntity):
         return self._state
 
     @property
-    def extra_state_attributes(self):
+    def extra_state_attributes(self) -> dict[str, Any] | None:
         """Return the state attributes."""
         if self._times is not None:
             return {
@@ -110,6 +111,7 @@ class TransportNSWSensor(SensorEntity):
                 ATTR_DESTINATION: self._times[ATTR_DESTINATION],
                 ATTR_MODE: self._times[ATTR_MODE],
             }
+        return None
 
     @property
     def native_unit_of_measurement(self):