This is not always a named tuple

_grains/from_node_name.py

@@ -59,7 +59,7 @@ def _get_hostname(cfg):
     switch = {
         "hostname": lambda: socket.gethostname(),
         "fqdn": lambda: socket.getfqdn(),
-        "nodename": lambda: platform.uname().node,
+        "nodename": lambda: platform.uname()[1],
     }
 
     fetcher = switch.get(cfg.get("source", "nodename").lower())