def Rollback(self):
    if len(self.args) != 1:
      self.parser.error('Expected a single <directory> argument.')

    basepath = self.args[0]
    appyaml = self._ParseAppYaml(basepath)

    appversion = AppVersionUpload(self._GetRpcServer(), appyaml)
    appversion.in_transaction = True
    appversion.Rollback()
Make the current line the top or bottom half of a double-height, double-width line.
dataset/ETHPy150Open CollabQ/CollabQ/.google_appengine/google/appengine/tools/appcfg.py/AppCfgApp.Rollback--crossover with--dataset/ETHPy150Open kuri65536/python-for-android/python-modules/twisted/twisted/conch/insults/insults.py/ITerminalTransport.doubleHeightLine