def read_sb_data(self):
        buf = self.sbdataq
        self.sbdataq = ''
        return buf
Changes directories, always return, example:
dataset/ETHPy150Open azoft-dev-team/imagrium/env/Lib/telnetlib.py/Telnet.read_sb_data--crossover with--dataset/ETHPy150Open jlisee/xpkg/python/xpkg/util.py/cd