Small bug in heartbeat

project/config.json

 {
   "servers": [
     "127.0.0.1", "9000",
+    "127.0.0.1", "9001",
     "127.0.0.1", "9002"
   ]
 }
\ No newline at end of file

project/mencius.py

@@ -172,7 +172,8 @@ class Paxos(socketserver.UDPServer):
         # Skip messages are learned imediately
         if p2a.value is not None and self.highest_ballot_seen[self.slotToLeaderIndex(p2a.slot_num)] != p2a.ballot_num:
             # Drop if value is not Skip and is proposed by non-coordinator for that slot 
-            print(f"Dropped because {p2a.ballot_num} is not from {self.highest_ballot_seen[self.slotToLeaderIndex(p2a.slot_num)]}")
+            print(f"{self.address} Dropped because {p2a.ballot_num} is not from {self.highest_ballot_seen[self.slotToLeaderIndex(p2a.slot_num)]}")
+            print(f"{self.address} highest ballot seen is {[str(i) for i in self.highest_ballot_seen]}")
             return
 
         # If it is a skip and from the coordinator, immediately learns it (put it in their log)
@@ -233,7 +234,7 @@ class Paxos(socketserver.UDPServer):
 
     def handleLeaderHeartbeat(self, heartbeat, address):
         for i in range(len(heartbeat.leader_slot)):
-            if not self.is_leader[i]:
+            if not self.is_leader[i] and heartbeat.leader_slot[i]:
                 if self.highest_ballot_seen[i] > heartbeat.ballot_num:
                 # It's not "leader" heartbeat
                     return
@@ -426,11 +427,11 @@ class PaxosHandler(socketserver.BaseRequestHandler):
             self.server.handleP1B(message, self.client_address)
 
         elif isinstance(message, P2A):
-            print(f"got p2a {message}", file=sys.stdout)  # debug
+            print(f"{self.server.server_address} got p2a {message}", file=sys.stdout)  # debug
             self.server.handleP2A(message, message.addr)
 
         elif isinstance(message, P2B):
-            print(f"got p2b {message}", file=sys.stdout)  # debug
+            print(f"{self.server.server_address} got p2b {message}", file=sys.stdout)  # debug
             self.server.handleP2B(message, self.client_address)
 
         elif isinstance(message, LeaderHeartbeat):