Update app.py

app.py

@@ -50,7 +50,7 @@ def speech_to_text(audio_data, tgt_lang):
 def speech_to_speech_translation(audio_data, tgt_lang):
     file_path = save_audio(audio_data)
     audio_input, _ = torchaudio.load(file_path)
-    s2st_model = torch.jit.load("unity_on_device.ptl")
+    s2st_model = torch.jit.load("unity_on_device_s2t.ptl")
     with torch.no_grad():
         text, units, waveform = s2st_model(audio_input, tgt_lang=languages[tgt_lang])
     output_file = "/tmp/result.wav"