From 4ae3a55b7bab98697ec9561469f2d7b27a5eefbc Mon Sep 17 00:00:00 2001
From: Alan <>
Date: Mon, 19 Jan 2026 18:57:05 +1100
Subject: [PATCH] Fix: missing 1 required positional argument: 'canvas' in
 Toolbar init

https://github.com/matplotlib/ipympl/issues/488
---
 ipympl/backend_nbagg.py | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/ipympl/backend_nbagg.py b/ipympl/backend_nbagg.py
index a6bb904b..3ccb1c7e 100644
--- a/ipympl/backend_nbagg.py
+++ b/ipympl/backend_nbagg.py
@@ -122,10 +122,8 @@ class Toolbar(DOMWidget, NavigationToolbar2WebAgg):
 
     _current_action = Enum(values=['pan', 'zoom', ''], default_value='').tag(sync=True)
 
-    def __init__(self, canvas, *args, **kwargs):
-        DOMWidget.__init__(self, *args, **kwargs)
-        NavigationToolbar2WebAgg.__init__(self, canvas, *args, **kwargs)
-
+    def __init__(self, canvas, **kwargs):
+        super().__init__(canvas=canvas, **kwargs)
         self.on_msg(self.canvas._handle_message)
 
     def export(self):