minor fix

MP2/peer.py

@@ -520,19 +520,31 @@ def worker_5():
 #THREAD 5 HELPERS
 def cmd_list_mem():
     with members_list_lock:
-        for member_id, member_data in members_list.items():
+        cluster_state = [
-            if member_data["state"] == "failed":
+            (
-                continue
+                m_id,
-            log(f"{member_id} state = {member_data['state']}, heartbeat = {member_data['heart_beat']}, incarnation = {member_data['incarnation_counter']}")
+                m_data["state"],
+                m_data["heart_beat"],
+                m_data["incarnation_counter"],
+            )
+            for m_id, m_data in members_list.items()
+            if m_data["state"] != "failed"
+        ]
+
+    for m_id, state, hb, inc in cluster_state:
+        log(f"{m_id} state = {state}, heartbeat = {hb}, incarnation = {inc}")
 
 def cmd_display_suspects():
     with suspect_history_lock:
-        if not suspect_history:
+        history_snapshot = list(suspect_history)
-            log("No suspects recorded.")
+
-        else:
+    if not history_snapshot:
-            log("Suspect history:")
+        log("No suspects recorded.")
-            for member_id, timestamp in suspect_history:
+    else:
-                log(f"{member_id} suspected at {timestamp}")
+        log("Suspect history:")
+        for member_id, timestamp in history_snapshot:
+            log(f"{member_id} suspected at {timestamp}")
+
 
 
 # THREAD 6 - Display membership list in a pretty format