[3.10] bpo-30677: [doc] mention that os.mkdir() can raise FileNotFoundError (GH-31548) (GH-31877)

miss-islington · web-flow · commit efa725015990 · 2022-03-14T13:50:41.000-07:00
(cherry picked from commit 879fbd9) Co-authored-by: slateny <46876382+slateny@users.noreply.github.com> Automerge-Triggered-By: GH:iritkatriel
diff --git a/Doc/library/os.rst b/Doc/library/os.rst
@@ -2041,7 +2041,8 @@ features:
 
    Create a directory named *path* with numeric mode *mode*.
 
-   If the directory already exists, :exc:`FileExistsError` is raised.
+   If the directory already exists, :exc:`FileExistsError` is raised. If a parent
+   directory in the path does not exist, :exc:`FileNotFoundError` is raised.
 
    .. _mkdir_modebits:
 
