refactor: reorganize import statements for consistency across multiple files

tests/api/v1/task_activity_shared.py

@@ -5,14 +5,13 @@ from __future__ import annotations
 from dataclasses import dataclass
 from datetime import timedelta
 
-from sqlalchemy.ext.asyncio import AsyncSession, async_sessionmaker
-
 from app.core.security import jwt_service
 from app.models.contact import Contact
 from app.models.deal import Deal
 from app.models.organization import Organization
 from app.models.organization_member import OrganizationMember, OrganizationRole
 from app.models.user import User
+from sqlalchemy.ext.asyncio import AsyncSession, async_sessionmaker
 
 
 @dataclass(slots=True)