Update app.py

app.py

@@ -52,6 +52,7 @@ def process_video(video_file, language_choice):
     audio = AudioSegment.from_file(reference_audio)
     resampled_audio = audio.set_frame_rate(48000)
     resampled_audio.export(reference_audio, format="wav")
+    reference_audio = AudioClip(reference_audio)
 
     # Enhance the audio
     model, df_state, _ = init_df()