error with "status" command

[roughnecks]

Aug 26 20:39:22 pandora.woodpeckersnest.space matrix-heisenbridge[4051808]: ERROR:root:Ignoring exception from room handler. This should be fixed.
Aug 26 20:39:22 pandora.woodpeckersnest.space matrix-heisenbridge[4051808]: Traceback (most recent call last):
Aug 26 20:39:22 pandora.woodpeckersnest.space matrix-heisenbridge[4051808]:   File "/opt/heisenbridge/heisenbridge/__main__.py", line 202, in _on_mx_event
Aug 26 20:39:22 pandora.woodpeckersnest.space matrix-heisenbridge[4051808]:     await room.on_mx_event(event)
Aug 26 20:39:22 pandora.woodpeckersnest.space matrix-heisenbridge[4051808]:   File "/opt/heisenbridge/heisenbridge/room.py", line 100, in on_mx_event
Aug 26 20:39:22 pandora.woodpeckersnest.space matrix-heisenbridge[4051808]:     await handler(event)
Aug 26 20:39:22 pandora.woodpeckersnest.space matrix-heisenbridge[4051808]:   File "/opt/heisenbridge/heisenbridge/control_room.py", line 240, in on_mx_message
Aug 26 20:39:22 pandora.woodpeckersnest.space matrix-heisenbridge[4051808]:     await self.commands.trigger(command, tail)
Aug 26 20:39:22 pandora.woodpeckersnest.space matrix-heisenbridge[4051808]:   File "/opt/heisenbridge/heisenbridge/command_parse.py", line 95, in trigger
Aug 26 20:39:22 pandora.woodpeckersnest.space matrix-heisenbridge[4051808]:     await self.trigger_args(args, tail, allowed, forward)
Aug 26 20:39:22 pandora.woodpeckersnest.space matrix-heisenbridge[4051808]:   File "/opt/heisenbridge/heisenbridge/command_parse.py", line 79, in trigger_args
Aug 26 20:39:22 pandora.woodpeckersnest.space matrix-heisenbridge[4051808]:     await func(cmd_args)
Aug 26 20:39:22 pandora.woodpeckersnest.space matrix-heisenbridge[4051808]:   File "/opt/heisenbridge/heisenbridge/control_room.py", line 412, in cmd_status
Aug 26 20:39:22 pandora.woodpeckersnest.space matrix-heisenbridge[4051808]:     users.sort()
Aug 26 20:39:22 pandora.woodpeckersnest.space matrix-heisenbridge[4051808]: TypeError: '<' not supported between instances of 'str' and 'NoneType'