Update app.py

app.py

@@ -236,7 +236,7 @@ def transcribe_video_with_speakers(video_path):
     # Collect audio for each speaker
     speaker_audio = {}
     for segment in result["segments"]:
-        speaker = segment["speaker"]
+        speaker = segment.get("speaker", "SPEAKER_00")
         if speaker not in speaker_audio:
             speaker_audio[speaker] = []
         speaker_audio[speaker].append((segment["start"], segment["end"]))