@abc.abstractmethod
  def _Open(self, path_spec, mode='rb'):
Pops the stacked object from the thread stack.
dataset/ETHPy150Open log2timeline/dfvfs/dfvfs/vfs/file_system.py/FileSystem._Open--crossover with--dataset/ETHPy150Open getlogbook/logbook/logbook/_fallback.py/StackedObject.pop_thread