Find source of comparison error?

TransactionDeliverer.py

@@ -72,6 +72,7 @@ class TransactionDeliverer:
                 if item.priority == queue_item.priority and item.proposer == queue_item.proposer and item.transaction_message != queue_item.transaction_message:
                     print(queue_item)
                     print(item)
+            raise Exception
 
         self.transactions_id_map[transaction_message.transaction_ID] = queue_item
 
@@ -117,6 +118,7 @@ class TransactionDeliverer:
                 if item.priority == queue_item.priority and item.proposer == queue_item.proposer and item.transaction_message != queue_item.transaction_message:
                     print(queue_item)
                     print(item)
+            raise Exception
 
         self.transactions_id_map[transaction_message.transaction_ID] = queue_item
 
@@ -135,6 +137,7 @@ class TransactionDeliverer:
                 if item.priority == queue_item.priority and item.proposer == queue_item.proposer and item.transaction_message != queue_item.transaction_message:
                     print(queue_item)
                     print(item)
+            raise Exception
 
         queue_item.priority_confirmations+=1
 
@@ -153,6 +156,9 @@ class TransactionDeliverer:
             
     def process_agreed_priority_message(self, agreed_priority_message: AgreedPriorityMessage):
         queue_item = self.transactions_id_map[agreed_priority_message.transaction_ID]
+
+        # TODO - the comparison tie error is introduced here!
+        # Because we don't also update the proposer!
         queue_item.priority = agreed_priority_message.agreed_priority
 
         try:
@@ -163,6 +169,7 @@ class TransactionDeliverer:
                 if item.priority == queue_item.priority and item.proposer == queue_item.proposer and item.transaction_message != queue_item.transaction_message:
                     print(queue_item)
                     print(item)
+            raise Exception
 
         queue_item.transaction_message.deliverable = True