enhancement: introduce Ruff for Python linter for reordering and removing unused imports with automated pre-commit and sytle check (#2366)

api/tasks/annotation/add_annotation_to_index_task.py

@@ -3,8 +3,9 @@ import time
 
 import click
 from celery import shared_task
-from core.index.index import IndexBuilder
 from langchain.schema import Document
+
+from core.index.index import IndexBuilder
 from models.dataset import Dataset
 from services.dataset_service import DatasetCollectionBindingService