Deserialize print settings from an a{sv} variant.
The variant must be in the format produced by gtk.print_settings.PrintSettings.toGvariant.
an a{sv} glib.variant.VariantG
a new gtk.print_settings.PrintSettings object
Deserialize print settings from an a{sv} variant.
The variant must be in the format produced by gtk.print_settings.PrintSettings.toGvariant.