Use proper variable for error message

Signed-off-by: Ben Johnson <ben@binarylogic.com>

trinnov_altitude/trinnov_altitude.py

@@ -343,7 +343,7 @@ async def _sync(self):
                 self.dim = message.state
             elif isinstance(message, messages.ErrorMessage):
                 self.logger.error(
-                    f"Trinnov Altitude responsed with error: {error.error}"
+                    f"Trinnov Altitude responsed with error: {message.error}"
                 )
             elif isinstance(message, messages.PresetMessage):
                 self.presets[message.index] = message.name