The current documentation says it returns None if the name is not found, but (GH-26785) (GH-27371)

the implementation uses [] and will raise KeyError instead.

Noticed by @srittau in python/typeshed@5659.
(cherry picked from commit f22737a)

Co-authored-by: Jelle Zijlstra <jelle.zijlstra@gmail.com>

Author: miss-islington

Doc/library/sysconfig.rst

@@ -175,7 +175,7 @@ identifier.  Python currently uses eight paths:
    If *expand* is set to ``False``, the path will not be expanded using the
    variables.
 
-   If *name* is not found, return ``None``.
+   If *name* is not found, raise a :exc:`KeyError`.
 
 
 .. function:: get_paths([scheme, [vars, [expand]]])

Misc/NEWS.d/next/Documentation/2021-06-18-06-44-45.bpo-44453.3PIkj2.rst

@@ -0,0 +1 @@
+Fix documentation for the return type of :func:`sysconfig.get_path`.