Update webui_colab.py

webui_colab.py

@@ -173,8 +173,8 @@ def main():
                         </p>
             </div>
         ''')
-    demo.queue()
-    demo.launch(share=True, show_error=True)
+    demo.queue(max_size=40, api_open=False)
+    demo.launch(max_threads=400, show_error=True)
 
 if __name__ == '__main__':
     parser = argparse.ArgumentParser()