Update app.py

app.py

@@ -685,7 +685,7 @@ if __name__ == "__main__":
     if "SPACE_ID" in os.environ:
         print("Running in a Hugging Face Space, checking for audio files...")
         # all_files = [q["audio"] for q in QUESTION_SET] + [d["audio"] for d in DIMENSIONS_DATA]
-        all_files = [[d["audio"] for d in DIMENSIONS_DATA]
+        all_files = [d["audio"] for d in DIMENSIONS_DATA]
         for audio_file in set(all_files):
             if not os.path.exists(audio_file):
                 print(f"⚠️ Warning: Audio file not found: {audio_file}")