Gather even further

[shsms]

If you want to gether even further :P

        self._microgrid, components, connections = await asyncio.gather(
            self._client.get_microgrid_info()
            self._client.list_components(),
            self._client.list_connections(),
        )
        self._graph = ComponentGraph(set(components), set(connections))

Originally posted by @llucax in #1295 (comment)