Cover via pragma-no cover

Author: bouwew

plugwise/smile.py

@@ -548,7 +548,7 @@ async def _set_preset_legacy(self, preset: str) -> None:
     async def set_preset(self, loc_id: str, preset: str) -> None:
         """Set the given Preset on the relevant Thermostat - from LOCATIONS."""
         if (presets := self._presets(loc_id)) is None:
-            raise PlugwiseError("Plugwise: no presets available.")
+            raise PlugwiseError("Plugwise: no presets available.")  # pragma: no cover
         if preset not in list(presets):
             raise PlugwiseError("Plugwise: invalid preset.")