From 12681232d1bb7516babb44633d621ffa3db83f5a Mon Sep 17 00:00:00 2001
From: Thomas A Caswell <tcaswell@gmail.com>
Date: Wed, 2 Feb 2022 19:31:39 -0500
Subject: [PATCH] FIX: make the show API on webagg consistent with others

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

diff --git a/lib/matplotlib/backends/backend_webagg.py b/lib/matplotlib/backends/backend_webagg.py
index 7359ebdb7ac6..3f18fdc93df7 100644
--- a/lib/matplotlib/backends/backend_webagg.py
+++ b/lib/matplotlib/backends/backend_webagg.py
@@ -306,7 +306,7 @@ class _BackendWebAgg(_Backend):
     FigureManager = FigureManagerWebAgg
 
     @staticmethod
-    def show():
+    def show(*, block=None):
         WebAggApplication.initialize()
 
         url = "http://{address}:{port}{prefix}".format(