Update app.py

app.py

@@ -141,7 +141,7 @@ demo = gr.Interface(
     title="Streamlit Q&A System",
     description="This web API presents an interface to ask questions on streamlit documentation",
     article="Note that questions that are not relevant to streamlit or not within the sample documents will be answered with 'I don't know. Please check the docs @ 'https://docs.streamlit.io/''",
-    concurrency_limit=16
+    concurrency_limit=20
 )
 
 demo.queue()