Raise error if trying to rename a subset that doesn't exist

spacetelescope · Dec 19, 2024 · 12da2c1 · 12da2c1
1 parent d72b874
commit 12da2c1
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/jdaviz/app.py b/jdaviz/app.py
@@ -2061,6 +2061,10 @@ def _rename_subset(self, old_label, new_label, subset_group=None, check_valid=Tr
                 if s.label == old_label:
                     subset_group = s
                     break
+            # If we couldn't find a matching subset group, raise an error
+            else:
+                raise ValueError(f"No subset named {old_label} to rename")
+
         if check_valid:
             if self._check_valid_subset_label(new_label):
                 subset_group.label = new_label