From: Georg Brandl <georg@python.org>
Date: Sat, 19 Apr 2008 16:58:49 +0000 (+0000)
Subject: #2633: clarify meaning of env parameter.
X-Git-Tag: v2.6a3~158
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=f801b0f04cf08d077f648febf4af1b7f94b81dd9;p=python

#2633: clarify meaning of env parameter.
---

diff --git a/Doc/library/subprocess.rst b/Doc/library/subprocess.rst
index d1471f1ff8..b93bd0395c 100644
--- a/Doc/library/subprocess.rst
+++ b/Doc/library/subprocess.rst
@@ -93,8 +93,9 @@ This module defines one class called :class:`Popen`:
    searching the executable, so you can't specify the program's path relative to
    *cwd*.
 
-   If *env* is not ``None``, it defines the environment variables for the new
-   process.
+   If *env* is not ``None``, it must be a mapping that defines the environment
+   variables for the new process; these are used instead of inheriting the current
+   process' environment, which is the default behavior.
 
    If *universal_newlines* is :const:`True`, the file objects stdout and stderr are
    opened as text files, but lines may be terminated by any of ``'\n'``, the Unix