Check None before reference

Signed-off-by: bingwang <[email protected]>
sonic-net · May 23, 2022 · eab3472 · eab3472
1 parent 1f0e3c2
commit eab3472
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/src/sonic-config-engine/minigraph.py b/src/sonic-config-engine/minigraph.py
@@ -925,6 +925,9 @@ def parse_system_defaults(meta):
 
     system_defaults = meta.find(str(QName(ns1, "SystemDefaults")))
 
+    if system_defaults is None:
+        return system_default_values
+
     for system_default in system_defaults.findall(str(QName(ns1, "SystemDefault"))):
         name = system_default.find(str(QName(ns1, "Name"))).text
         value = system_default.find(str(QName(ns1, "Value"))).text