bpo-39413: os.unsetenv() is not available on Windows (GH-18108)

miss-islington · vstinner · web-flow · commit 570724667d37 · 2020-01-22T04:56:22.000-08:00
Update os.unsetenv() documentation: it is not available on Windows. (cherry picked from commit f84f65b) Co-authored-by: Victor Stinner <vstinner@python.org>
diff --git a/Doc/library/os.rst b/Doc/library/os.rst
@@ -642,7 +642,7 @@ process and user.
    calls to :func:`unsetenv` don't update ``os.environ``, so it is actually
    preferable to delete items of ``os.environ``.
 
-   .. availability:: most flavors of Unix, Windows.
+   .. availability:: most flavors of Unix.
 
 
 .. _os-newstreams:
