'Sort the key order in the OrderedDict.
This method takes the same arguments as the ``list.sort`` method on
your version of Python.
>>> d = OrderedDict(((4, 1), (2, 2), (3, 3), (1, 4)))
>>> d.sort()
>>> d
OrderedDict([(1, 4), (2, 2), (3, 3), (4, 1)])'

def sort(self, *args, **kwargs):

    self._sequence.sort(*args, **kwargs)
