<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 async def state(self) -> GroupState: """Return the current group state"""

        act = self.service.action("X_GetState")
        res = await act.async_call()
        return GroupState.make(**res)