Traceback (most recent call last):


 "/usr/local/bin/mayavi2", line 11, in <module>

load_entry_point('mayavi==4.7.1', 'gui_scripts', 'mayavi2')()


 "/usr/local/lib64/python3.6/site-packages/mayavi/scripts/mayavi2.py", line 602, in main

mayavi.main(sys.argv[1:])


 "/usr/local/lib64/python3.6/site-packages/mayavi/plugins/app.py", line 195, in main

app.run()


 "/usr/local/lib64/python3.6/site-packages/mayavi/plugins/mayavi_workbench_application.py", line 73, in run

gui = self.gui


 "/usr/local/lib/python3.6/site-packages/envisage/ui/workbench/workbench_application.py", line 140, in _gui_default

return GUI(splash_screen=self.splash_screen)


 "/usr/local/lib64/python3.6/site-packages/mayavi/plugins/mayavi_workbench_application.py", line 121, in _splash_screen_default

show_log_messages = True,


 "/usr/local/lib/python3.6/site-packages/pyface/base_toolkit.py", line 178, in __init__

raise NotImplementedError(msg % (toolkit, package, name))
NotImplementedError: the null pyface.ui.null backend doesn't implement splash_screen:SplashScreen

Traceback (most recent call last):


 "site-packages\calibre\customize\ui.py", line 172, in _run_filetype_plugins


 "calibre_plugins.dedrm.__init__", line 621, in run


 "calibre_plugins.dedrm.__init__", line 571, in KindleMobiDecrypt
DeDRMError: DeDRM v6.6.1: Ultimately failed to decrypt after 0.1 seconds. Read the FAQs at Harper's repository: https://github.com/apprenticeharper/DeDRM_tools/blob/master/FAQs.md
