Update app.py

app.py

@@ -100,7 +100,7 @@ def _execute_conversion(pth_file, image, singer_name, description, voice_type, a
     )
     
     use_fp16 = False
-    output_onnx_simple_path = export2onnx(0, model_slot, input_pth_path, use_fp16)
+    output_onnx_simple_path = export2onnx(-1, model_slot, input_pth_path, use_fp16)
 
     if not os.path.exists(output_onnx_simple_path):
         raise RuntimeError("Failed to convert the model to ONNX. The output file was not created.")