update apppy

app.py

@@ -36,10 +36,10 @@ class GradioApplication:
   
     
     def infer(self, text, lang, duration_rate):
-        if(lang == "VietTTS"):
-            return using_viettts(text,duration_rate)
-        else :
+        if(lang == "Tacotron2"):
             return using_tacotron(text)
+        else :
+            return using_viettts(text,duration_rate)
         return 1     
 
     def run(self):