Show warning message in MvS on duplicate keys

state/modelverse_state/main.py

@@ -233,7 +233,7 @@ class ModelverseState(object):
                         return (None, status.FAIL_RDICTE_UNCERTAIN)
                     else:
                         if found is not None:
-                            #raise Exception("Duplicate key: %s (%s <-> %s)!" % (v, found, e1))
+                            print("Duplicate key: %s (%s <-> %s)!" % (v, found, e1))
                             return (None, status.FAIL_RDICTE_AMBIGUOUS)
                         found = e1
         if found is not None:
@@ -271,7 +271,7 @@ class ModelverseState(object):
                         return (None, status.FAIL_RDICTNE_UNCERTAIN)
                     else:
                         if found is not None:
-                            #raise Exception("Duplicate key: %s (%s <-> %s)!" % (value_node, found, e1))
+                            print("Duplicate key: %s (%s <-> %s)!" % (value_node, found, e1))
                             return (None, status.FAIL_RDICTNE_AMBIGUOUS)
                         found = e1
         if found is not None: