Update app.py

app.py

@@ -55,7 +55,12 @@ def clear():
     
 def show():
     global messages
-    return messages
+    chats = ""
+    for msg in messages:
+        if msg['role'] != 'system':
+            chats += msg['role'] + ": " + msg['content'] + "\n\n"
+
+    return chats
 
 
 with gr.Blocks() as chatHistory: