How to use the beautifultable.utils.ensure_type function in beautifultable

def junction(self, value):
        self._table._header_junction = ensure_type(value, basestring)

"intersect_header_left",
            "intersect_header_mid",
            "intersect_header_right",
            "intersect_row_left",
            "intersect_row_mid",
            "intersect_row_right",
            "intersect_bottom_left",
            "intersect_bottom_mid",
            "intersect_bottom_right",
        )
        if to_unicode(name) in attrs:
            warnings.warn(
                deprecation_message(name, "1.0.0", "1.2.0", None),
                FutureWarning,
            )
            value = ensure_type(value, basestring, name)
        super(BeautifulTable, self).__setattr__(name, value)

def junction(self, value):
        self._junction = ensure_type(value, basestring)

def separator(self, value):
        self._table._column_separator = ensure_type(value, basestring)

def separator(self, value):
        self._table._row_separator = ensure_type(value, basestring)