FIX: deal with duplicates in the to_be_updated container

src/caosadvancedtools/cfood.py

@@ -151,6 +151,15 @@ class AbstractCFood(object):
 
         get_ids_for_entities_with_names(self.to_be_updated)
 
+        # remove duplicates
+        tmp = db.Container()
+
+        for el in self.to_be_updated:
+            if el not in tmp:
+                tmp.append(el)
+
+        self.to_be_updated = tmp
+
         if self.verbosity >= INFO:
             print("/"*60)
             print("UPDATE: updating the following entities")