Node without GPS info breaks --nodes

[Chiumanfu]

If there is a node in the list that does not have GPS info, the meshtastic --nodes command gives an error.

You can see the last node in my list is just at the edge of reception. It sent an ID packet but I never got a position packet.

Device 1.2.28 Python 1.2.30

[sachaw]

Please move to https://github.com/meshtastic/Meshtastic-python