Update app.py

app.py

@@ -12,7 +12,7 @@ def function1(prompt):
     }).json()
     data = response["data"][0]["name"]
     data = "https://matthijs-speecht5-tts-demo.hf.space/file="+data
-    speech = urllib.request.urlretrieve(data, "speech.wav")
+    speech = urllib.request.urlretrieve(data, "speech.mp3")
     return data
 
 iface = gr.Interface(fn=function1, inputs="text", outputs=[gr.Audio(label="Audio",type="numpy")])