Parses `data_files` configuration file section.

        :param dict section_options:

def parse_section_data_files(self, section_options):
        """Parses `data_files` configuration file section.

        :param dict section_options:
        """
        parsed = self._parse_section_to_dict(section_options, self._parse_list)
        self['data_files'] = [(k, v) for k, v in parsed.items()]