Update app.py

app.py

@@ -244,9 +244,11 @@ def refresh_leaderboard():
     collection = init_database()
 async def direct_chat(model, user_input, state, chatbot, character_name, character_description, user_name):
     adapter = next(entry['adapter'] for entry in chatbots_data if entry['original_model'] == model)
-
+    
     if "direct_history" not in state:
         state["direct_history"] = []
+    if len(state["direct_history"])>20:
+        state["direct_history"] = state["direct_history"][-20:]
 
     state["direct_history"].append({"role": "user", "content": user_input})