added check for group name (#2752)

openmc-dev · Nov 2, 2023 · 847e9b5 · 847e9b5
1 parent 7aaccbb
commit 847e9b5
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/openmc/filter.py b/openmc/filter.py
@@ -1400,6 +1400,7 @@ def from_group_structure(cls, group_structure):
 
         """
 
+        cv.check_value('group_structure', group_structure, openmc.mgxs.GROUP_STRUCTURES.keys())
         return cls(openmc.mgxs.GROUP_STRUCTURES[group_structure.upper()])