try to use kokoro api server as backup

requirements.txt

@@ -1,4 +1,5 @@
 streamlit>=1.44.1
+gradio==5.9.1
 nltk>=3.8
 librosa>=0.10
 ffmpeg-python>=0.2

utils/tts.py

@@ -2,6 +2,8 @@ import os
 import logging
 import time
 import soundfile as sf
+from gradio_client import Client
+
 
 logger = logging.getLogger(__name__)
 
@@ -18,6 +20,12 @@ except AttributeError as e:
     # Specifically catch the EspeakWrapper.set_data_path error
     if "EspeakWrapper" in str(e) and "set_data_path" in str(e):
         logger.warning("Kokoro import failed due to EspeakWrapper.set_data_path issue")
+        logger.info("Try to use Kokoro FastAPI server")
+        client = Client("Remsky/Kokoro-TTS-Zero")
+        result = client.predict(
+                api_name="/lambda"
+        )
+        print(f"result get back from Kokora FastAPI server: {result}")
     else:
         # Re-raise if it's a different error
         logger.error(f"Kokoro import failed with unexpected error: {str(e)}")