fix solution

wpbonelli · wpbonelli · commit 2aaf9b9a0cb6 · 2025-07-15T20:32:50.000-04:00
diff --git a/flopy4/mf6/solution.py b/flopy4/mf6/solution.py
@@ -8,4 +8,4 @@
 
 @xattree
 class Solution(Package, ABC):
-    models: list[str] = attrs.field()
+    models: list[str] = attrs.field(default=attrs.Factory(list))
