Upload app.py

app.py

@@ -421,7 +421,14 @@ from gradio_client import Client
 client = Client('hexgrad/kokoro-src', hf_token=os.environ['SRC'])
 def preview(text, voice, speed, trim, sk):
     assert sk == os.environ['SK'], ('❌', datetime.now(), text, voice, sk)
-    return client.predict(text=text, voice=voice, speed=speed, trim=trim, use_gpu=True, sk=sk, api_name='/generate')[0]
+    try:
+        audio = client.predict(text=text, voice=voice, speed=speed, trim=trim, use_gpu=True, sk=sk, api_name='/generate')[0]
+    except Exception as e:
+        print('📡', datetime.now(), text, voice, repr(e))
+        gr.Warning('v0.22 unavailable')
+        gr.Info('Switching to v0.19')
+        audio = generate(text, voice=voice, speed=speed, trim=trim, sk=sk)
+    return audio
 
 with gr.Blocks() as preview_tts:
     with gr.Row():