Change to Blocks

app.py

@@ -87,7 +87,12 @@ def main(filename):
   output = text_file(answer)
   return output
 
-demo = gr.Interface(main, "audio", "audio")
+with gr.Blocks() as demo:
+    with gr.Row():
+        input = gr.Audio(source = "upload", type = "filepath", label = "Input")
+        output = gr.Audio(type = "filepath", label = "Output")
+    btn = gr.Button("Run")
+    btn.click(main, [input], [output])
 
 if __name__ == "__main__":
     demo.launch()