Don't use self

Author: bouwew

plugwise/__init__.py

@@ -70,7 +70,6 @@ def __init__(
         self._websession = websession
 
         self._cooling_present = False
-        self._data: PlugwiseData = {}
         self._elga = False
         self._is_thermostat = False
         self._on_off_device = False
@@ -314,9 +313,9 @@ def get_all_devices(self) -> None:
 
     async def async_update(self) -> PlugwiseData:
         """Perform an incremental update for updating the various device states."""
-        self._data = await self._smile_api.async_update()
-        self.gateway_id = self._data.gateway["gateway_id"]
-        return self._data
+        data: PlugwiseData = await self._smile_api.async_update()
+        self.gateway_id = data.gateway["gateway_id"]
+        return data
 
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 ###  API Set and HA Service-related Functions                                                        ###