Lookup details for devices on the plum servers

async def fetch_houses(self):
        """Lookup details for devices on the plum servers"""
        try:
            async with self._websession.get("https://production.plum.technology/v2/getHouses", headers=self.headers) as response:
                return await response.json()

        except IOError:
            print("Unable to login to Plum cloud servers.")
            sys.exit(5)