Write a settings file containing the
        data model and predicates to a file object

        Keyword arguments:
        file_obj -- file object to write settings data into

def writeSettings(self, file_obj, index=False):  # pragma: no cover
        """
        Write a settings file containing the
        data model and predicates to a file object

        Keyword arguments:
        file_obj -- file object to write settings data into
        """
        super().writeSettings(file_obj, index)

        if index:
            pickle.dump(self.blocked_records, file_obj)