def _write_init_fetchers(self, filenames):
destination = "<STR_LIT>" % (self.output_directory, self.fetchers_path)<EOL>self.write(destination=destination, filename="<STR_LIT>", template_name="<STR_LIT>",<EOL>filenames=self._prepare_filenames(filenames, suffix='<STR_LIT>'),<EOL>class_prefix=self._class_prefix,<EOL>product_accronym=self._product_accronym,<EOL>header=self.header_content)<EOL>
Write fetcher init file

            Args:
                filenames (dict): dict of filename and classes