Update the import statement for xblock-utils

The `xblock-utils` library has been deprecated as a separate package;
the `utils` library has been moved into the `XBlock` and should now
be imported from `xblock.utils` instead.

Changelog.md

@@ -1,3 +1,11 @@
+Unreleased
+-------------------------
+* [BREAKING CHANGE] Update the import statements for `xblock-utils`.
+  The `xblock-utils` library has been deprecated as a separate package; 
+  the `utils` library has been moved into the `XBlock` and should now 
+  be imported from `xblock.utils` instead.
+  (https://github.com/openedx/XBlock/issues/675)
+
 Version 7.11.0 (2024-05-06)
 -------------------------
 * [Enhancement] Update to a newer Twisted version.

hastexo/hastexo.py

@@ -10,13 +10,13 @@
 from xblock.fields import Scope, Float, String, Dict, List, Integer, Boolean
 from xblock.fragment import Fragment
 from xblock.scorable import ScorableXBlockMixin, Score
-from xblockutils.resources import ResourceLoader
-from xblockutils.studio_editable import (
+from xblock.utils.resources import ResourceLoader
+from xblock.utils.studio_editable import (
     NestedXBlockSpec,
     StudioContainerWithNestedXBlocksMixin,
     StudioEditableXBlockMixin,
 )
-from xblockutils.settings import XBlockWithSettingsMixin
+from xblock.utils.settings import XBlockWithSettingsMixin
 
 from distutils.util import strtobool
 from django.db import transaction