Add missing .find()

Author: bouwew

plugwise/__init__.py

@@ -874,7 +874,7 @@ async def set_gateway_mode(self, mode: str) -> None:
         end_time = "2037-04-21T08:00:53.000Z"
         valid = ""
         if mode == "away":
-            time_1 = self._domain_objects("./gateway/time").text
+            time_1 = self._domain_objects.find("./gateway/time").text
             away_time = dt.datetime.fromisoformat(time_1).astimezone(dt.UTC).isoformat(timespec="milliseconds").replace("+00:00", "Z")
             valid = (
                 f"<valid_from>{away_time}</valid_from><valid_to>{end_time}</valid_to>"