fix timer error

app.py

@@ -73,7 +73,7 @@ with gr.Blocks() as demo:
 
     reset_btn = gr.Button("Reset")
 
-    timer = gr.Timer(interval=600)
+    timer = gr.Timer(value=600)
     timer.tick(reset_project)
 
     reset_btn.click(fn = reset_project, inputs= [], outputs= [reset_output])