Merge PR #31914 into master

* refs/pull/31914/head:
	mgr/orchestrator: set node labels to empty list if none specified

Reviewed-by: Joshua Schmid <jschmid@suse.de>
Reviewed-by: Sage Weil <sage@redhat.com>
Reviewed-by: Kiefer Chang <kiefer.chang@suse.com>

.githubmap

@@ -108,3 +108,5 @@ mgfritch Michael Fritch <mfritch@suse.com>
 xiaoxichen Xiaoxi Chen <superdebuger@gmail.com>
 toabctl Thomas Bechtold <tbechtold@suse.com>
 dsavineau Dimitri Savineau <dsavinea@redhat.com>
+jschmid1 Joshua Schmid <jschmid@suse.de>
+bk201 Kiefer Chang <kiefer.chang@suse.com>

src/pybind/mgr/orchestrator.py

@@ -1296,6 +1296,8 @@ class InventoryNode(object):
         # type: (str, inventory.Devices, List[str]) -> None
         if devices is None:
             devices = inventory.Devices([])
+        if labels is None:
+            labels = []
         assert isinstance(devices, inventory.Devices)
 
         self.name = name  # unique within cluster.  For example a hostname.