https://github.com/python/cpython/commit/006617ff7d6df3fdedcfe53e94ee2c52cc7... commit: 006617ff7d6df3fdedcfe53e94ee2c52cc796437 branch: master author: Ivan Chernoff <chernoffivan@gmail.com> committer: Gregory P. Smith <greg@krypto.org> date: 2017-08-29T07:46:24-07:00 summary: bpo-31065: Add doc about Popen.poll returning None. (#3169) files: M Doc/library/subprocess.rst diff --git a/Doc/library/subprocess.rst b/Doc/library/subprocess.rst index 2eaa48e070d..a4e234e62ae 100644 --- a/Doc/library/subprocess.rst +++ b/Doc/library/subprocess.rst @@ -584,7 +584,7 @@ Instances of the :class:`Popen` class have the following methods: .. method:: Popen.poll() Check if child process has terminated. Set and return - :attr:`~Popen.returncode` attribute. + :attr:`~Popen.returncode` attribute. Otherwise, returns ``None``. .. method:: Popen.wait(timeout=None)