text: Title: how can i run test.py
  Body: when i run test.py, an error occurred，as follows，
  usage: _jb_nosetest_runner.py [-h] [--trained_model TRAINED_MODEL]
                                [--save_folder SAVE_FOLDER]
                                [--visual_threshold VISUAL_THRESHOLD]
                                [--cuda CUDA]
  _jb_nosetest_runner.py: error: unrecognized arguments: /home/zjh/ssd.pytorch-master-nan/test.py
  
  Process finished with exit code 2
  Empty test suite.
  
  Can someone help me?tks