def get_hadoop_version(self):
        return self.fs.get_hadoop_version()
returns a Group object for the given path if exists
dataset/ETHPy150Open Yelp/mrjob/mrjob/hadoop.py/HadoopJobRunner.get_hadoop_version--crossover with--dataset/ETHPy150Open progrium/ginkgo/ginkgo/config.py/Config.group