def METHOD_NAME(self):
    if pathlib.Path(f'{self.cwd}/shards').exists():
        print(f'Purging shards')
        shutil.rmtree(pathlib.Path(f'{self.cwd}/shards'))
    if pathlib.Path(f'{self.cwd}/sidechain_db').exists():
        print(f'purging sidechain_db')
        shutil.rmtree(pathlib.Path(f'{self.cwd}/sidechain_db'))