Update app.py

app.py

@@ -106,8 +106,8 @@ async def preview_handler(event):
 async def send_handler(event):      
     user_id = event.sender_id
     if user_id in states and states[user_id]:
-        audio_bytes = states[user_id]['audio']
-        audio_file = BytesIO(audio_bytes)
+        audio_file = states[user_id]['audio']
+
         audio_file.name = "AudioFusion.mp3"
         duration = int(len(Fusion.from_file(audio_file))/1000.0)
         audio_file.seek(0)