make sure ort providers available (#2489)

GPT_SoVITS/text/g2pw/onnx_api.py

@@ -93,13 +93,13 @@ class G2PWOnnxConverter:
         sess_options.graph_optimization_level = onnxruntime.GraphOptimizationLevel.ORT_ENABLE_ALL
         sess_options.execution_mode = onnxruntime.ExecutionMode.ORT_SEQUENTIAL
         sess_options.intra_op_num_threads = 2 if torch.cuda.is_available() else 0
-        try:
+        if "CUDAExecutionProvider" in onnxruntime.get_available_providers():
             self.session_g2pW = onnxruntime.InferenceSession(
                 os.path.join(uncompress_path, "g2pW.onnx"),
                 sess_options=sess_options,
                 providers=["CUDAExecutionProvider", "CPUExecutionProvider"],
             )
-        except:
+        else:
             self.session_g2pW = onnxruntime.InferenceSession(
                 os.path.join(uncompress_path, "g2pW.onnx"),
                 sess_options=sess_options,