Update app.py

app.py

@@ -26,6 +26,19 @@ for model_name, model_file, config_file, repo_name in MODEL_INFO:
     hf_hub_download(repo_id=repo_name, filename=model_file, cache_dir=model_name, use_auth_token=TOKEN)
     hf_hub_download(repo_id=repo_name, filename=config_file, cache_dir=model_name, use_auth_token=TOKEN)
 
+# Verify if the files are downloaded correctly
+for model_name, model_file, config_file, repo_name in MODEL_INFO:
+    os.makedirs(model_name, exist_ok=True)
+    print(f"|> Downloading: {model_name}")
+    
+    model_file_path = hf_hub_download(repo_id=repo_name, filename=model_file, cache_dir=model_name, use_auth_token=TOKEN)
+    config_file_path = hf_hub_download(repo_id=repo_name, filename=config_file, cache_dir=model_name, use_auth_token=TOKEN)
+    
+    # Check if the files exist after download
+    if not os.path.exists(model_file_path) or not os.path.exists(config_file_path):
+        raise FileNotFoundError(f"Failed to download files for {model_name}. Please check the repository and file names.")
+
+
 def synthesize(text: str, model_name: str) -> str:
     """Synthesize speech using the selected model."""
     if len(text) > MAX_TXT_LEN: