Update app.py

app.py

@@ -63,13 +63,13 @@ def transcribe_speech(audio, progress=gr.Progress()):
 def transcribe_from_youtube(url, apply_wiener_filter, apply_normalization, apply_spectral_gating, progress=gr.Progress()):
     progress(0, "Downloading YouTube audio...")
     
-    yt = YouTube(url)
-    stream = yt.streams.filter(only_audio=True).first()
-    audio_data = BytesIO()
-    stream.stream_to_buffer(audio_data)
-    audio_data.seek(0)
-    
     try:
+        yt = YouTube(url)
+        stream = yt.streams.filter(only_audio=True).first()
+        audio_data = BytesIO()
+        stream.stream_to_buffer(audio_data)
+        audio_data.seek(0)
+    
         audio, original_sample_rate = torchaudio.load(audio_data)
         audio = preprocess_audio(audio, original_sample_rate, apply_normalization)