versionadded for environb

diff --git a/Doc/library/os.rst b/Doc/library/os.rst
index 6ad4785e2094221ed5bd968f2bc6990b92037ca0..58f057acc1567ad16f3c5b29ab617eac5c223c73 100644 (file)
--- a/Doc/library/os.rst
+++ b/Doc/library/os.rst
@@ -141,6 +141,8 @@ process and user.
 
    Availability: Unix.
 
+   .. versionadded:: 3.2
+
 
 .. function:: chdir(path)
               fchdir(fd)