Update app.py

app.py

@@ -19,6 +19,7 @@ from transformers import (
 #Coqui V1 api render voice, you can also use XTTS
 #COQUI_URL="https://app.coqui.ai/api/v2/samples"
 COQUI_URL="https://app.coqui.ai/api/v2/samples/multilingual/render/"
+COQUI_URL_EN=="https://app.coqui.ai/api/v2/samples/xtts/render/"
 ### Warning each sample will consume your credits
 COQUI_TOKEN=os.environ.get("COQUI_TOKEN")
 
@@ -93,6 +94,10 @@ def get_audio_url(text,character):
     supported_languages=["en","de","fr","es","it","pt","pl"]
     if text_language not in supported_languages:
         text_language="en"
+
+    if text_language=="en":
+        # use main English model for english, better on english only
+        url = COQUI_URL_EN
         
     # voice id of "Baldur Sanjin" from buildin coqui.ai speakers 
     # more via https://docs.coqui.ai/reference/speakers_retrieve