Update app.py

app.py

@@ -37,9 +37,8 @@ data = {
     "speaker_options": ["en","en-us","en-029","n-gb-x-gbclan","en-gb-x-rp","en-gb-scotland","en-gb-gbcwmd", "es", "de", "pl","ar","be","bn","bpy","bs","bg","ca","yue","hak","haw","cmn","hr","cs","da","nl","eo","et","fa","fa-latn","fi","fr-be","fr","ga","gd","ka","grc","el","kl","gn","gu","ht","he","hi","hu","id","io","it","ja","kn","kok","ko","ku","kk","ky","la","lb","ltg","lv","lfn","lt","jbo","mi","mk","ms","ml","mt","mr","nci","ne","nb","nog","or","om","pap","pt-br","pt","ro","ru","ru-lv","uk","sjn","sr","tn","sd","shn","si","sk","sl","es","es-419","sw","sv","ta","th","tk","tt","te","tr","ug","ur","uz","vi-vn-x-central","vi","vi0vn-x-south"],
     "default_speaker": "en",
 }
-# Define voices as an empty list
-voices = []
-
+# Define a dictionary to store model configurations
+model_configurations = {}
 import logging
 import math
 import sys