Update app.py

app.py

@@ -121,7 +121,7 @@ def extract_paragraphs_from_docx(docx_file):
     return [clean_text(p) for p in paragraphs]
 
 def list_speaker_choices():
-    return [f"{sid} | {meta['gender']} | {meta['accent']}" for sid, meta in speaker_metadata.items()]
+    return [f"{sid} | {meta['gender']} | {meta['accent']}" for sid, meta in SPEAKER_METADATA.items()]
 
 def get_speaker_id_from_label(label):
     return label.split('|')[0].strip()