add obj is NoUpdate

ytausch · ytausch · commit 9827157cf5f1 · 2025-07-16T17:40:06.000+02:00
diff --git a/dash/_no_update.py b/dash/_no_update.py
@@ -4,6 +4,6 @@ def to_plotly_json(self):  # pylint: disable=no-self-use
 
     @staticmethod
     def is_no_update(obj):
-        return isinstance(obj, NoUpdate) or (
+        return obj is NoUpdate or isinstance(obj, NoUpdate) or (
             isinstance(obj, dict) and obj == {"_dash_no_update": "_dash_no_update"}
         )

Original file line number	Diff line number	Diff line change
`@@ -4,6 +4,6 @@ def to_plotly_json(self): # pylint: disable=no-self-use`
`4`	`4`
`5`	`5`	`@staticmethod`
`6`	`6`	`def is_no_update(obj):`
`7`		`- return isinstance(obj, NoUpdate) or (`
	`7`	`+ return obj is NoUpdate or isinstance(obj, NoUpdate) or (`
`8`	`8`	`isinstance(obj, dict) and obj == {"_dash_no_update": "_dash_no_update"}`
`9`	`9`	`)`