def spans(self, index=None, **kwargs):
        if kwargs:
            args = tkinter._flatten(list(kwargs.items()))
            self.tk.call(self._w, 'spans', *args)
        else:
            return self.tk.call(self._w, 'spans', index)
Manipulate row/col spans.
dataset/ETHPy150Open Arelle/Arelle/arelle/TkTableWrapper.py/Table.spans