Update download_model.py

download_model.py

@@ -12,6 +12,7 @@ os.makedirs(cache_dir, exist_ok=True)
 def get_voice_models():
     # Ensure the 'voices' directory exists
     voices_dir = './KOKORO/voices'
+    os.makedirs(VOICES_DIR, exist_ok=True)
     # Get the list of all files
     files = list_repo_files(repo_id)