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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def is_in_ordered_subgroups(self, basket_col=None, bool_arr=None, _max_len_subgroup=1000):
 """ Expands the filter using a specified column Parameters basket_col bool_arr _max_len_subgroup Returns ------- """

        assert basket_col is not None

        if bool_arr is None:
            return None

        if self.auto_cache and bool_arr.rootdir is not None:
            rootdir = self.create_tmp_rootdir()
        else:
            rootdir = None

        return \
            ctable_ext.is_in_ordered_subgroups(
                self[basket_col], bool_arr=bool_arr, rootdir=rootdir,
                _max_len_subgroup=_max_len_subgroup)