Update app.py

app.py

@@ -33,7 +33,7 @@ from fish_speech.inference_engine import TTSInferenceEngine
 from fish_speech.models.dac.inference import load_model as load_decoder_model
 from fish_speech.models.text2semantic.inference import (
     launch_thread_safe_queue,
-    load_model as load_llama_model,
+    init_model as load_llama_model,
     generate_long,
     GenerateRequest,
     WrappedGenerateResponse