Update app.py

app.py

@@ -133,7 +133,7 @@ with demo:
     b2.click(text_to_sentiment, inputs=text, outputs=label)
     b3.click(upsert, inputs=text, outputs=saved)
     b4.click(selectall, inputs=text, outputs=savedAll)
-    b5.click(tts,  inputs={text,TTSchoice}, outputs=audio)
+    b5.click(tts,  inputs=[text,TTSchoice], outputs=audio)
     
 demo.launch(share=True)