diff --git a/backend/src/app/alembic/versions/e5f70a1ca323_merge_naming_scheme_and_genlocke_.py b/backend/src/app/alembic/versions/e5f70a1ca323_merge_naming_scheme_and_genlocke_.py
index 0d02cc6..37dee4b 100644
--- a/backend/src/app/alembic/versions/e5f70a1ca323_merge_naming_scheme_and_genlocke_.py
+++ b/backend/src/app/alembic/versions/e5f70a1ca323_merge_naming_scheme_and_genlocke_.py
@@ -5,17 +5,13 @@ Revises: e5f6a7b8c9d1, e5f6a7b9c0d1
 Create Date: 2026-02-11 21:49:29.942841
 
 """
-from typing import Sequence, Union
-
-from alembic import op
-import sqlalchemy as sa
-
+from collections.abc import Sequence
 
 # revision identifiers, used by Alembic.
 revision: str = 'e5f70a1ca323'
-down_revision: Union[str, Sequence[str], None] = ('e5f6a7b8c9d1', 'e5f6a7b9c0d1')
-branch_labels: Union[str, Sequence[str], None] = None
-depends_on: Union[str, Sequence[str], None] = None
+down_revision: str | Sequence[str] | None = ('e5f6a7b8c9d1', 'e5f6a7b9c0d1')
+branch_labels: str | Sequence[str] | None = None
+depends_on: str | Sequence[str] | None = None
 
 
 def upgrade() -> None: