Update app.py

app.py

@@ -71,12 +71,16 @@ with gr.Blocks(theme=gr.themes.Base()) as interface:
 
     # Bind functionality
     submit_btn.click(
-        generate_answer,
-        inputs=[question_box, state],
-        outputs=[question_box, chatbot],
-    )
-
-    clear_btn.click(lambda: ([], []), inputs=[], outputs=[chatbot, state])
+    generate_answer,
+    inputs=[question_box, state],
+    outputs=[question_box, chatbot],
+)
+
+    clear_btn.click(
+        lambda: ("", [], []),
+        inputs=[],
+        outputs=[question_box, chatbot, state],
+)
 
 
 # === Launch the app ===