Update app.py

app.py

@@ -35,6 +35,6 @@ with gr.Blocks() as demo:
     btn = gr.Button("Text-To-Speech")
     output_audio = gr.Audio(label="Speech Output")
     
-    btn.click(fn=tts, inputs=text, outputs=output_audio, api_name="tts")
+    btn.click(fn=tts, inputs=text, outputs=output_audio, api_name="tts", concurrency_limit=None)
 
 demo.launch()