fix: self.IP->self.host in the node manager

src/communication.py

@@ -121,7 +121,7 @@ class ServiceExplorationModule():
         self.node_manager = node_manager
 
     def listen(self):
-        self.sock.bind((self.host, self.port))
+        self.sock.bind(('0.0.0.0', self.port))
         print(f"Exploration Server(UDP) listening on {self.host}:{self.port}...")
 
         while True:

src/node_manager.py

@@ -67,7 +67,7 @@ class NodeManager():
         info = self.cluster_communication_module.cluster_info()
         print(f"\nThere are {len(info)+1} nodes in this cluster.")
         print("Cluster Info:")
-        print(f"    {self.service_exploration_module.IP}(local) -> {self.GPU} * {self.GPU_num}")
+        print(f"    {self.service_exploration_module.host}(local) -> {self.GPU} * {self.GPU_num}")
         for host in info:
             print(f"    {host['host']} -> {host['GPU']} * {host['GPU_num']}")