move python packages to 'Python' submenu and make them depends on 'python'
drwxr-xr-x - XOrg
drwxr-xr-x - admin
drwxr-xr-x - ipv6
drwxr-xr-x - lang
drwxr-xr-x - libs
drwxr-xr-x - multimedia
drwxr-xr-x - net
drwxr-xr-x - sound
drwxr-xr-x - utils