fix gradio concurrency

app.py

@@ -233,4 +233,4 @@ with gr.Blocks(title="Svara Multilingual TTS", css=".note{opacity:.85;font-size:
     )
 
 if __name__ == "__main__":
-    demo.queue(concurrency_count=2, max_size=16).launch(share=False, ssr_mode=False)
+    demo.queue().launch(share=False)