reset bytes stream

app.py

@@ -25,7 +25,8 @@ def client(audio_data: np.array, sample_rate: int, use_scorer=False):
     output_audio = _convert_audio(audio_data, sample_rate)
     waveform, _ = torchaudio.load(output_audio)
     out_prob, score, index, text_lab = lang_classifier.classify_batch(waveform)
-
+    
+    output_audio.seek(0)
     fin = wave.open(output_audio, 'rb')
     audio = np.frombuffer(fin.readframes(fin.getnframes()), np.int16)