postgres related error fixed in filter_ann

back/add_poems_and_filters.py

@@ -52,6 +52,8 @@ async def filter_ann(schema: pydantic_schemas.SortAnnouncements, db: AsyncSessio
         # res = await db.execute(statement)
         # если фильтр задан
         if filt_val is not None:
+            if name == "obsolete":
+                filt_val = bool(filt_val)
             filter_query = await db.execute(select(orm_models.Announcement).where(literal_column(f"announcements.{name}") == filt_val))
             filtered = set(filter_query.scalars().all())
             res = res.intersection(filtered)