[ubuntu] Bumblebee UI won't work and onboard will only run unity 2d

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http://ubuntuforums.org – Hello there! as the title says bumblebee ui wont work for me, its a small python script that allows for some UI control over bumblebee (which works just fine for me) it gives me this when run from terminal: Code: Traceback (most recent call last):   File "./bumblebee-app-settings", line 356, in <module>     Appset = Applications_settings()          File "./bumblebee-app-settings", line 91, in __init__     self.build_app_list()   File "./bumblebee-app-settings", line 189, in build_app_li (Hardware)