Fix dash_hooks plugin entry point

CHANGELOG.md

@@ -7,6 +7,7 @@ This project adheres to [Semantic Versioning](https://semver.org/).
 ## Fixed
 - [#3264](https://github.com/plotly/dash/pull/3264) Fixed an issue where moving components inside of children would not update the `setProps` path, leading to hashes being incorrect
 - [#3265](https://github.com/plotly/dash/pull/3265) Fixed issue where the resize of graphs was cancelling others
+- [#3273](https://github.com/plotly/dash/pull/3273) Fix hooks entry point, renamed from invalid hyphen `dash-hooks` to underscored `dash_hooks`. Fix [#3272](https://github.com/plotly/dash/issues/3272)
 
 ## Added
 - [#3268](https://github.com/plotly/dash/pull/3268) Added the ability for component devs to subscribe to descendent updates by setting `dashChildrenUpdate = true` on the component, eg: `Tabs.dashChildrenUpdate = true`

dash/_hooks.py

@@ -251,7 +251,7 @@ def register_setuptools(cls):
 
         for dist in _importlib_metadata.distributions():
             for entry in dist.entry_points:
-                # Look for setup.py entry points named `dash-hooks`
-                if entry.group != "dash-hooks":
+                # Look for setup.py entry points named `dash_hooks`
+                if entry.group != "dash_hooks":
                     continue
                 entry.load()