code: def get_files(self):
          
          assert self.bundle, 'Cannot fetch file name with empty bundle'
          abs_path, rel_path = self.get_abs_and_rel_paths(self.bundle.path, self.file_path, self.bundle.input_dir)
          file_cls = self.bundle.get_file_cls()
          return [file_cls(rel_path, abs_path)]
docs: :inheritdoc