From 75886d7213b92d1bf0b9b302a0ef5ec36145b3e6 Mon Sep 17 00:00:00 2001
From: ollo69 <60491700+ollo69@users.noreply.github.com>
Date: Wed, 12 Oct 2022 10:04:48 +0200
Subject: [PATCH] Strip whitespace from Nut "zero" serialno (#80141)

---
 homeassistant/components/nut/__init__.py        | 2 +-
 tests/components/nut/fixtures/CP1500PFCLCD.json | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/homeassistant/components/nut/__init__.py b/homeassistant/components/nut/__init__.py
index 27332e50b18..b4110736e55 100644
--- a/homeassistant/components/nut/__init__.py
+++ b/homeassistant/components/nut/__init__.py
@@ -148,7 +148,7 @@ def _serial_from_status(status: dict[str, str]) -> str | None:
     """Find the best serialvalue from the status."""
     serial = status.get("device.serial") or status.get("ups.serial")
     if serial and (
-        serial.lower() in NUT_FAKE_SERIAL or serial.count("0") == len(serial)
+        serial.lower() in NUT_FAKE_SERIAL or serial.count("0") == len(serial.strip())
     ):
         return None
     return serial
diff --git a/tests/components/nut/fixtures/CP1500PFCLCD.json b/tests/components/nut/fixtures/CP1500PFCLCD.json
index 3a42a01b054..f3121b147ac 100644
--- a/tests/components/nut/fixtures/CP1500PFCLCD.json
+++ b/tests/components/nut/fixtures/CP1500PFCLCD.json
@@ -5,7 +5,7 @@
   "driver.parameter.pollfreq": "30",
   "ups.beeper.status": "disabled",
   "input.voltage.nominal": "120",
-  "device.serial": "000000000000",
+  "device.serial": "000000000000  ",
   "ups.timer.shutdown": "-60",
   "input.voltage": "122.0",
   "ups.status": "OL",