Update app.py

app.py

@@ -318,7 +318,7 @@ with gr.Blocks(css=css) as app_with_history:
     with gr.Tab("Past generations"):
         user_history.render()
 
-app_with_history.queue(max_size=20,api_open=False )
+app_with_history.queue(max_size=20,api_open=True )
 
 if __name__ == "__main__":
     app_with_history.launch(max_threads=400)