From 47938a1355e8a5b8de0294b1017c02972d1d9189 Mon Sep 17 00:00:00 2001
From: Florian Heilmann <Florian.Heilmann@gmx.net>
Date: Thu, 25 Feb 2021 09:49:52 +0100
Subject: [PATCH] hm climate: Return PRESET_NONE instead of None (#47003)

Signed-off-by: Florian Heilmann <Florian.Heilmann@gmx.net>
---
 homeassistant/components/homematic/climate.py | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/homeassistant/components/homematic/climate.py b/homeassistant/components/homematic/climate.py
index 3b77b90ff25..aa5fb4a8e44 100644
--- a/homeassistant/components/homematic/climate.py
+++ b/homeassistant/components/homematic/climate.py
@@ -7,6 +7,7 @@ from homeassistant.components.climate.const import (
     PRESET_BOOST,
     PRESET_COMFORT,
     PRESET_ECO,
+    PRESET_NONE,
     SUPPORT_PRESET_MODE,
     SUPPORT_TARGET_TEMPERATURE,
 )
@@ -92,14 +93,14 @@ class HMThermostat(HMDevice, ClimateEntity):
             return "boost"
 
         if not self._hm_control_mode:
-            return None
+            return PRESET_NONE
 
         mode = HM_ATTRIBUTE_SUPPORT[HM_CONTROL_MODE][1][self._hm_control_mode]
         mode = mode.lower()
 
         # Filter HVAC states
         if mode not in (HVAC_MODE_AUTO, HVAC_MODE_HEAT):
-            return None
+            return PRESET_NONE
         return mode
 
     @property