Document the subprocess Popen.args attribute (issue21353)

diff --git a/Doc/library/subprocess.rst b/Doc/library/subprocess.rst
index 347dcc3e50a0a89d3a24f8fdd14328da63070175..a9ee970ef87d106f9b67ca22b1314474f31d039b 100644 (file)
--- a/Doc/library/subprocess.rst
+++ b/Doc/library/subprocess.rst
@@ -702,6 +702,12 @@ The following attributes are also available:
    deadlocks due to any of the other OS pipe buffers filling up and blocking the
    child process.
 
+.. attribute:: Popen.args
+
+   The *args* argument as it was passed to :class:`Popen` -- a
+   sequence of program arguments or else a single string.
+
+   .. versionadded:: 3.3
 
 .. attribute:: Popen.stdin