*************************************************************** Beryl system compatiblity check ***************************************************************Detected xserver : NVIDIAChecking Display :0.0 ...Checking for XComposite extension : passed (v0.3)Checking for XDamage extension : passedChecking for RandR extension : passedChecking for XSync extension : passedChecking Screen 0 ...Checking for GLX_SGIX_fbconfig : passedChecking for GLX_EXT_texture_from_pixmap : passedChecking for non power of two texture support : passedChecking maximum texture size : passed (4096x4096)Reloading optionsTraceback (most recent call last): File "/usr/bin/beryl-settings", line 22, in <module> import berylsettings File "/usr/bin/berylsettings.py", line 23, in <module>ImportError: No module named gtk