Thanks, Chris!

terrapower · Oct 25, 2022 · 5cd4201 · 5cd4201
1 parent 65f1578
commit 5cd4201
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/armi/reactor/blocks.py b/armi/reactor/blocks.py
@@ -447,7 +447,7 @@ def getMicroSuffix(self):
         xsType = self.p.xsType
         if len(xsType) == 1:
             return xsType + bu
-        elif len(xsType) == 2 and ord(bu) < ord("A"):
+        elif len(xsType) == 2 and ord(bu) > ord("A"):
             raise ValueError(
                 f"Use of multiple burnup groups is not allowed with multi-character xs groups!"
             )