Unnamed

def OnExtensionManager(self, widget):	extensionmanagerTree = gtk.glade.XML(Globals.GLADE_PATH, "ExtensionManagerDialog")	dlg = extensionmanagerTree.get_widget("ExtensionManagerDialog")	treeview = extensionmanagerTree.get_widget("treeview1")	columns = ["Enabled", "Name", "Description", "Version"]	for column_name in columns:		column = gtk.TreeViewColumn(column_name, gtk.CellRendererText(), text=columns.index(column_name))		treeview.append_column(column)	liststore = gtk.ListStore(bool, str, str, str)	treeview.set_model(liststore)	dlg.set_transient_for(self.window)