Annotations: prevent infinite loop for annotation cycles

catmaid · Aug 5, 2016 · db188ef · db188ef
1 parent 6936785
commit db188ef
Showing 1 changed file with 4 additions and 3 deletions.
diff --git a/django/applications/catmaid/control/neuron_annotations.py b/django/applications/catmaid/control/neuron_annotations.py
@@ -149,9 +149,10 @@ def __init__(self):
                 child_ids = aaa.get(parent_id) or set_wrapper()
                 for child_id in child_ids.data:
                     if child_id not in sa_ids:
-                        # Add all children as sub annotations
-                        ls.add(child_id)
-                        working_set.add(child_id)
+                        if child_id not in ls:
+                            # Add all children as sub annotations
+                            ls.add(child_id)
+                            working_set.add(child_id)
         # Store the result list for this ID
         sa_ids[annotation_set] = list(ls)