Update app.py

app.py

@@ -42,6 +42,7 @@ def load_tts_model(model_key):
 
 def extract_speakers(model_key):
     info = VOICE_MODELS[model_key]
+    if info["multi_speaker"]:
         if info["model_name"] == "tts_models/en/vctk/vits":
             # Common VCTK speakers
             return ["p225", "p226", "p227", "p228", "p229", "p230", "p231", "p232", "p233", "p234"]
@@ -51,6 +52,7 @@ def extract_speakers(model_key):
     return []
 
 
+
 def docx_to_wav(doc_file, selected_voice, selected_speaker=None):
     info = VOICE_MODELS[selected_voice]
     tts = load_tts_model(selected_voice)