fixup! feat(content-libraries): single component publish api

openedx/core/djangoapps/content_libraries/api.py

@@ -1218,17 +1218,19 @@ def publish_changes(library_key, user_id=None):
         )
     )
 
+
 def publish_component_changes(usage_key: LibraryUsageLocatorV2, user):
     """
     Publish all pending changes in a single component.
     """
     content_library = require_permission_for_library_key(
-            usage_key.lib_key,
-            user,
-            permissions.CAN_EDIT_THIS_CONTENT_LIBRARY
-        )
+        usage_key.lib_key,
+        user,
+        permissions.CAN_EDIT_THIS_CONTENT_LIBRARY
+    )
     learning_package = content_library.learning_package
 
+    assert learning_package
     component = get_component_from_usage_key(usage_key)
     drafts_to_publish = authoring_api.get_all_drafts(learning_package.id).filter(
         entity__key=component.key
@@ -1241,6 +1243,7 @@ def publish_component_changes(usage_key: LibraryUsageLocatorV2, user):
         )
     )
 
+
 def revert_changes(library_key):
     """
     Revert all pending changes to the specified library, restoring it to the