Update xtts.py

xtts.py

@@ -5,7 +5,8 @@ import torch
 import traceback
 import numpy as np
 import scipy
-from importlib import import_module
+#from importlib import import_module
+from TTS.api import TTS
 from flask import Flask, Blueprint,  request, jsonify, send_file
 
 import torch
@@ -40,7 +41,6 @@ except:
 tts=None
 model=None 
 
-TTS=import_module("TTS.api").TTS
 model_name="tts_models/multilingual/multi-dataset/xtts_v2"
 tts = TTS(model_name=model_name)
 model=tts.synthesizer.tts_model
@@ -65,6 +65,7 @@ def predict():
             model_name="tts_models/multilingual/multi-dataset/xtts_v2"
             tts = TTS(model_name=model_name)
             model=tts.synthesizer.tts_model
+        if not hasattr(model, '__get_conditioning_latents'):
             #hack to use cache
             model.__get_conditioning_latents=model.get_conditioning_latents
             model.get_conditioning_latents=get_conditioning_latents