fix concurrency_limit

app.py

@@ -266,11 +266,12 @@ with gr.Blocks() as demo:
     submit_btn.click(
         vggsfm_demo,
         [input_video, input_images, num_query_images, num_query_points],
-        [reconstruction_output, log_output]
+        [reconstruction_output, log_output],
+        concurrency_limit=1
     )
 
     # demo.launch(debug=True, share=True)
-    demo.queue(max_size=20, concurrency_count=1).launch(show_error=True)
+    demo.queue(max_size=30).launch(show_error=True)
     # demo.queue(max_size=20, concurrency_count=1).launch(debug=True, share=True)
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