From 5703086534c92a9ec766b270f2bbb9414d8298a1 Mon Sep 17 00:00:00 2001
From: Tim Hoffmann <2836374+timhoffm@users.noreply.github.com>
Date: Wed, 4 Oct 2023 23:56:58 +0200
Subject: [PATCH] Backport PR #26940: Add typing to pyplot.show() to avoid
 errors with mypy --strict.

---
 lib/matplotlib/pyplot.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/matplotlib/pyplot.py b/lib/matplotlib/pyplot.py
index 6fa7755e2c49..3f41376e0a63 100644
--- a/lib/matplotlib/pyplot.py
+++ b/lib/matplotlib/pyplot.py
@@ -479,7 +479,7 @@ def draw_if_interactive(*args, **kwargs):
 
 
 # This function's signature is rewritten upon backend-load by switch_backend.
-def show(*args, **kwargs):
+def show(*args, **kwargs) -> None:
     """
     Display all open figures.