Update app.py

app.py

@@ -15,6 +15,7 @@ import uvicorn
 checkpoint_dir = "model/"
 repo_id = "capleaf/viXTTS"
 os.makedirs(checkpoint_dir, exist_ok=True)
+api_app = FastAPI()
 
 required_files = ["model.pth", "config.json", "vocab.json", "speakers_xtts.pth"]
 if not all(f in os.listdir(checkpoint_dir) for f in required_files):