fix: Migrate LanguagesTaxnomy._taxonomy_class to reflect refactoring

src/openedx_core/__init__.py

@@ -6,4 +6,4 @@
 """
 
 # The version for the entire repository
-__version__ = "0.34.1"
+__version__ = "0.34.2"

src/openedx_tagging/migrations/0012_language_taxonomy.py

@@ -18,7 +18,7 @@ def create_language_taxonomy(apps, schema_editor):
         "allow_multiple": False,
         "allow_free_text": False,
         "visible_to_authors": True,
-        "_taxonomy_class": "openedx_tagging.models.system_defined.LanguageTaxonomy",
+        "_taxonomy_class": "openedx_tagging.core.tagging.models.system_defined.LanguageTaxonomy",
     })
 
     # But delete any unused tags created by the old fixture:

src/openedx_tagging/migrations/0019_language_taxonomy_class.py

@@ -0,0 +1,33 @@
+"""
+Data migration to update the _taxonomy_class on the Languages system taxonomy
+to reflect the new module path after the package rename.
+
+Old: openedx_tagging.core.tagging.models.system_defined.LanguageTaxonomy
+New: openedx_tagging.models.system_defined.LanguageTaxonomy
+"""
+
+from django.db import migrations
+
+OLD_CLASS = "openedx_tagging.core.tagging.models.system_defined.LanguageTaxonomy"
+NEW_CLASS = "openedx_tagging.models.system_defined.LanguageTaxonomy"
+
+
+def update_language_taxonomy_class(apps, schema_editor):
+    Taxonomy = apps.get_model("oel_tagging", "Taxonomy")
+    Taxonomy.objects.filter(_taxonomy_class=OLD_CLASS).update(_taxonomy_class=NEW_CLASS)
+
+
+def revert_language_taxonomy_class(apps, schema_editor):
+    Taxonomy = apps.get_model("oel_tagging", "Taxonomy")
+    Taxonomy.objects.filter(_taxonomy_class=NEW_CLASS).update(_taxonomy_class=OLD_CLASS)
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("oel_tagging", "0018_objecttag_is_copied"),
+    ]
+
+    operations = [
+        migrations.RunPython(update_language_taxonomy_class, revert_language_taxonomy_class),
+    ]