environment/lib/python2.7/site-packages/IPython/utils/text.py
def sort(self,field= None,  nums = False):
        """ sort by specified fields (see fields())

        Example::
            a.sort(1, nums = True)

        Sorts a by second field, in numerical order (so that 21 > 3)

        """

        #decorate, sort, undecorate
        if field is not None:
            dsu = [[SList([line]).fields(field),  line] for line in self]
        else:
            dsu = [[line,  line] for line in self]
        if nums:
            for i in range(len(dsu)):
                numstr = "".join([ch for ch in dsu[i][0] if ch.isdigit()])
                try:
                    n = int(numstr)
                except ValueError:
                    n = 0;
                dsu[i][0] = n


        dsu.sort()
        return SList([t[1] for t in dsu])
def sort(self,field= None,  nums = False):
        """ sort by specified fields (see fields())

        Example::
            a.sort(1, nums = True)

        Sorts a by second field, in numerical order (so that 21 > 3)

        """

        #decorate, sort, undecorate
        if field is not None:
            dsu = [[SList([line]).fields(field),  line] for line in self]
        else:
            dsu = [[line,  line] for line in self]
        if nums:
            for i in range(len(dsu)):
                numstr = "".join([ch for ch in dsu[i][0] if ch.isdigit()])
                try:
                    n = int(numstr)
                except ValueError:
                    n = 0;
                dsu[i][0] = n


        dsu.sort()
        return SList([t[1] for t in dsu])
sort by specified fields (see fields())

        Example::
            a.sort(1, nums = True)

        Sorts a by second field, in numerical order (so that 21 > 3)