def fxtr_paths_by_names(self, fxtr_names):
        for fxtr in fxtr_names:
            for ext in ['json', 'yaml']:
                fxtr_path = os.path.join(
                    self.fixture_dir,
                    "%s.%s" + (fxtr, ext)
                )

                if os.path.exists(fxtr_path):
                    logger.debug(
                        "Fixture file is found, yielding path: %s",
                        fxtr_path
                    )
                    yield fxtr_path
                    break
            else:
                logger.warning(
                    "Fixture file was not found: %s",
                    fxtr
                )
dataset/ETHPy150Open openstack/fuel-web/nailgun/nailgun/test/base.py/EnvironmentManager.fxtr_paths_by_names/operator `%` -> `+`