code: def _write_init_models(self, filenames):
          
  
          self.write(destination=self.output_directory, filename="__init__.py", template_name="__init_model__.py.tpl",
                     filenames=self._prepare_filenames(filenames),
                     class_prefix=self._class_prefix,
                     product_accronym=self._product_accronym,
                     header=self.header_content)
docs: Write init file
  
              Args:
                  filenames (dict): dict of filename and classes