refactor: reorganize import statements for consistency across multiple files

tests/api/v1/test_deals.py

@@ -5,11 +5,12 @@ from __future__ import annotations
 from decimal import Decimal
 
 import pytest
-from app.models.activity import Activity, ActivityType
-from app.models.deal import Deal, DealStage, DealStatus
 from httpx import AsyncClient
 from sqlalchemy import select
 from sqlalchemy.ext.asyncio import AsyncSession, async_sessionmaker
+
+from app.models.activity import Activity, ActivityType
+from app.models.deal import Deal, DealStage, DealStatus
 from tests.api.v1.task_activity_shared import auth_headers, make_token, prepare_scenario