Update state-manager/app/tasks/create_next_states.py

Co-authored-by: coderabbitai[bot] <136622811+coderabbitai[bot]@users.noreply.github.com>

Author: NiveditJain

state-manager/app/tasks/create_next_states.py

@@ -1,5 +1,5 @@
 from beanie import PydanticObjectId
-from pymongo.errors import DuplicateKeyError
+from pymongo.errors import DuplicateKeyError, BulkWriteError
 from beanie.operators import In, NE
 from app.singletons.logs_manager import LogsManager
 from app.models.db.graph_template_model import GraphTemplate