@abstractmethod
  def version(self):
Add an IOHandler to the pool.
dataset/ETHPy150Open pantsbuild/pants/src/python/pants/task/scm_publish_mixin.py/Version.version--crossover with--dataset/ETHPy150Open kuri65536/python-for-android/python3-alpha/python-libs/pyxmpp2/mainloop/threads.py/ThreadPool._add_io_handler