Update app.py

app.py

@@ -107,9 +107,11 @@ 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']
-
-        await client.send_file(event.chat_id, file=audio_bytes, attributes=[types.DocumentAttributeFilename(file_name="Audio.mp3"), types.DocumentAttributeAudio(duration=get_duration(audio_bytes))])
-
+        audio_file = BytesIO(audio_bytes)
+        audio_file.name = "AudioFusion.mp3"
+        duration = int(len(Fusion.from_file(audio_file))/1000.0)
+        audio_file.seek(0)
+        await client.send_file(event.chat_id, file=audio_file)
         # Clean up - remove the user's state and the saved audio file
         del states[user_id]
         # os.remove(output_file)