Avoid setting _default to NOTSET when duplicating ConfigValue objects

mrmundt · Jan 14, 2025 · 33a3e96 · 33a3e96
1 parent dcb6102
commit 33a3e96
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/pyomo/common/config.py b/pyomo/common/config.py
@@ -1840,7 +1840,11 @@ def __call__(
             assert default is NOTSET
         else:
             fields += ('domain',)
-            kwds['default'] = self.value() if default is NOTSET else default
+            if default is NOTSET:
+                default = self.value()
+                if default is NOTSET:
+                    default = None
+            kwds['default'] = default
             assert implicit is NOTSET
             assert implicit_domain is NOTSET
         for field in fields: