Update app.py

app.py

@@ -55,6 +55,8 @@ def chat_inf(system_prompt,prompt,history,client_choice):
     history.append((prompt,output))
     yield history
 
+def clear_fn():
+    return None,None,None
 with gr.Blocks() as app:
     with gr.Group():
         chat_b = gr.Chatbot()
@@ -69,7 +71,8 @@ with gr.Blocks() as app:
                     stop_btn=gr.Button("Stop")
                     clear_btn=gr.Button("Clear")
         client_choice=gr.Dropdown(label="Models",type='index',choices=[c for c in models],value=models[0],interactive=True)
+    
     go=btn.click(chat_inf,[sys_inp,inp,chat_b,client_choice],chat_b)
     stop_btn.click(None,None,None,cancels=go)
-
+    clear_btn.click(clear_fn,None,[inp,sys_inp,chat_b])
 app.launch()