Update app.py

app.py

@@ -63,8 +63,9 @@ async def generate_tts(tts_request: TTSRequest):
         raise HTTPException(status_code=400, detail="Invalid speaker selected.")
 
     # Initialize the model
+    from melo.api import TTS
     try:
-        model = melo.api.TTS(language=language_code, device=device)
+        model = TTS(language=language_code, device=device)
     except Exception as e:
         raise HTTPException(status_code=500, detail=f"Error initializing TTS model: {e}")