update: ruff check --fix

migrations/data/migrate_system_json.py

@@ -9,10 +9,6 @@ from pathlib import Path
 from typing import Any
 from urllib.parse import quote
 
-from pydantic import BaseModel, ConfigDict
-from sqlalchemy import select
-from sqlalchemy.ext.asyncio import AsyncSession
-
 from common.db import create_database_engine, create_session_factory
 from common.db.models import (
     Permissions,
@@ -20,6 +16,9 @@ from common.db.models import (
     Roles,
     Users,
 )
+from pydantic import BaseModel, ConfigDict
+from sqlalchemy import select
+from sqlalchemy.ext.asyncio import AsyncSession
 
 CROCKFORD_BASE32 = "0123456789ABCDEFGHJKMNPQRSTVWXYZ"
 LEGACY_PASSWORD_HASH = "!legacy-account-without-password!"
@@ -76,7 +75,7 @@ class LegacySystem(BaseModel):
 def deterministic_legacy_ulid(entity_type: str, legacy_key: str) -> str:
     """Create a stable ULID-compatible ID with an epoch timestamp prefix."""
     digest = hashlib.sha256(
-        f"model-platform-v1:{entity_type}:{legacy_key}".encode("utf-8")
+        f"model-platform-v1:{entity_type}:{legacy_key}".encode()
     ).digest()
     value = int.from_bytes(b"\x00" * 6 + digest[:10], byteorder="big")
     encoded = ["0"] * 26