fix: update

src/application/commands/delete_avatar.py

@@ -15,8 +15,12 @@ class DeleteAvatarCommand:
         self._cache = cache
         self._s3 = s3
 
+    @transactional
+    async def _load_user(self, user_id: str) -> UserEntity:
+        return await self._unit_of_work.user_repository.get_user_by_id(user_id)
+
     async def __call__(self, user_id: str) -> UserEntity:
-        prior = await self._unit_of_work.user_repository.get_user_by_id(user_id)
+        prior = await self._load_user(user_id)
         link = prior.avatar_link
         if link:
             key = self._s3.object_key_from_public_url(link)