minor fix

MP2/peer.py

@@ -107,7 +107,7 @@ def worker_1():
                         incoming_state = member['state']
                         incoming_hb = member['heart_beat']
 
-                        if member_id not in members_list:
+                        if member_id not in members_list and incoming_state != "failed":
                             members_list[member_id] = {
                                 "heart_beat": incoming_hb,
                                 "local_last_seen": utc_time(),