[3.13] gh-136437: Document os.path.dirname as accepting only pos-only (GH-136946) (#136948)

miss-islington · sobolevn · web-flow · commit 2d0fac49d526 · 2025-07-21T18:28:55.000Z
gh-136437: Document `os.path.dirname` as accepting only pos-only (GH-136946) (cherry picked from commit 3224429) Co-authored-by: sobolevn <mail@sobolevn.me>
diff --git a/Doc/library/os.path.rst b/Doc/library/os.path.rst
@@ -118,7 +118,7 @@ the :mod:`glob` module.)
       Accepts a :term:`path-like object`.
 
 
-.. function:: dirname(path)
+.. function:: dirname(path, /)
 
    Return the directory name of pathname *path*.  This is the first element of
    the pair returned by passing *path* to the function :func:`split`.
