def _ParseNagFile(self):
    nag_filename = UpdateCheck.MakeNagFilename()
    if self.isfile(nag_filename):
      fh = self.open(nag_filename, 'r')
      try:
        nag = NagFile.Load(fh)
      finally:
        fh.close()
      return nag
    return None
Update the self link of this navigator
dataset/ETHPy150Open CollabQ/CollabQ/.google_appengine/google/appengine/tools/appcfg.py/UpdateCheck._ParseNagFile--crossover with--dataset/ETHPy150Open deontologician/restnavigator/restnavigator/halnav.py/HALNavigatorBase._update_self_link