def get_account_hash(self):
        return self.storage_path.rsplit('/', 1)[1]
helper function, removes dir if it exists
dataset/ETHPy150Open gholt/swiftly/swiftly/client/directclient.py/DirectClient.get_account_hash--crossover with--dataset/ETHPy150Open vcstools/vcstools/src/vcstools/common.py/ensure_dir_notexists