def METHOD_NAME(self):
    columns = []
    [columns.append(str) for i in self.columns]
    self.store = Gtk.ListStore(*columns)
    self.list = Gtk.TreeView(model=self.store)
    renderer = Gtk.CellRendererText()
    for i in range(0, len(self.columns)):
        column = Gtk.TreeViewColumn(self.columns[i], renderer, text=i)