Hi,Thomas and everyone. $msnoise test result in Ran 29 tests in 33.962s OK But $msnoise config also has some problem , result in 2017-03-02 23:31:25 [INFO] Could not import traits UI backend 'qt4' 2017-03-02 23:31:25 [ERROR] Cannot import PySide or PyQt4 ... 2017-03-02 23:31:25 [INFO] Could not import traits UI backend 'wx' 2017-03-02 23:31:25 [ERROR] No module named wx ... raise NotImplementedError("No checkbox renderer for backend") NotImplementedError: No checkbox renderer for backend As blaž said ,i install the packages using conda. for pyside $conda install pyside it works! the installer problem has been solved! many thanks!