refactor: reorganize import statements for consistency across multiple files

tests/services/test_activity_service.py

@@ -7,6 +7,9 @@ from collections.abc import AsyncGenerator
 
 import pytest
 import pytest_asyncio
+from sqlalchemy.ext.asyncio import AsyncSession, async_sessionmaker, create_async_engine
+from sqlalchemy.pool import StaticPool
+
 from app.models.activity import Activity, ActivityType
 from app.models.base import Base
 from app.models.contact import Contact
@@ -22,8 +25,6 @@ from app.services.activity_service import (
     ActivityValidationError,
 )
 from app.services.organization_service import OrganizationContext
-from sqlalchemy.ext.asyncio import AsyncSession, async_sessionmaker, create_async_engine
-from sqlalchemy.pool import StaticPool
 
 
 @pytest_asyncio.fixture()

tests/services/test_analytics_service.py

@@ -8,6 +8,9 @@ from decimal import Decimal
 
 import pytest
 import pytest_asyncio
+from sqlalchemy.ext.asyncio import AsyncSession, async_sessionmaker, create_async_engine
+from sqlalchemy.pool import StaticPool
+
 from app.models import Base
 from app.models.contact import Contact
 from app.models.deal import Deal, DealStage, DealStatus
@@ -16,8 +19,6 @@ from app.models.organization_member import OrganizationMember, OrganizationRole
 from app.models.user import User
 from app.repositories.analytics_repo import AnalyticsRepository
 from app.services.analytics_service import AnalyticsService, invalidate_analytics_cache
-from sqlalchemy.ext.asyncio import AsyncSession, async_sessionmaker, create_async_engine
-from sqlalchemy.pool import StaticPool
 from tests.utils.fake_redis import InMemoryRedis
 
 

tests/services/test_auth_service.py

@@ -6,11 +6,12 @@ from typing import cast
 from unittest.mock import MagicMock
 
 import pytest  # type: ignore[import-not-found]
+from sqlalchemy.ext.asyncio import AsyncSession
+
 from app.core.security import JWTService, PasswordHasher
 from app.models.user import User
 from app.repositories.user_repo import UserRepository
 from app.services.auth_service import AuthService, InvalidCredentialsError, InvalidRefreshTokenError
-from sqlalchemy.ext.asyncio import AsyncSession
 
 
 class StubUserRepository(UserRepository):

tests/services/test_contact_service.py

@@ -7,6 +7,10 @@ from collections.abc import AsyncGenerator
 
 import pytest
 import pytest_asyncio
+from sqlalchemy import select
+from sqlalchemy.ext.asyncio import AsyncSession, async_sessionmaker, create_async_engine
+from sqlalchemy.pool import StaticPool
+
 from app.models.base import Base
 from app.models.contact import Contact, ContactCreate
 from app.models.deal import Deal
@@ -22,9 +26,6 @@ from app.services.contact_service import (
     ContactUpdateData,
 )
 from app.services.organization_service import OrganizationContext
-from sqlalchemy import select
-from sqlalchemy.ext.asyncio import AsyncSession, async_sessionmaker, create_async_engine
-from sqlalchemy.pool import StaticPool
 
 
 @pytest_asyncio.fixture()

tests/services/test_deal_service.py

@@ -8,6 +8,10 @@ from decimal import Decimal
 
 import pytest  # type: ignore[import-not-found]
 import pytest_asyncio  # type: ignore[import-not-found]
+from sqlalchemy import select
+from sqlalchemy.ext.asyncio import AsyncSession, async_sessionmaker, create_async_engine
+from sqlalchemy.pool import StaticPool
+
 from app.models.activity import Activity, ActivityType
 from app.models.base import Base
 from app.models.contact import Contact
@@ -25,9 +29,6 @@ from app.services.deal_service import (
     DealUpdateData,
 )
 from app.services.organization_service import OrganizationContext
-from sqlalchemy import select
-from sqlalchemy.ext.asyncio import AsyncSession, async_sessionmaker, create_async_engine
-from sqlalchemy.pool import StaticPool
 
 
 @pytest_asyncio.fixture()

tests/services/test_organization_service.py

@@ -6,6 +6,8 @@ from typing import cast
 from unittest.mock import MagicMock
 
 import pytest  # type: ignore[import-not-found]
+from sqlalchemy.ext.asyncio import AsyncSession
+
 from app.models.organization import Organization
 from app.models.organization_member import OrganizationMember, OrganizationRole
 from app.repositories.org_repo import OrganizationRepository
@@ -17,7 +19,6 @@ from app.services.organization_service import (
     OrganizationMemberAlreadyExistsError,
     OrganizationService,
 )
-from sqlalchemy.ext.asyncio import AsyncSession
 
 
 class StubOrganizationRepository(OrganizationRepository):

tests/services/test_task_service.py

@@ -8,6 +8,10 @@ from datetime import datetime, timedelta, timezone
 
 import pytest
 import pytest_asyncio
+from sqlalchemy import select
+from sqlalchemy.ext.asyncio import AsyncSession, async_sessionmaker, create_async_engine
+from sqlalchemy.pool import StaticPool
+
 from app.models.activity import Activity, ActivityType
 from app.models.base import Base
 from app.models.contact import Contact
@@ -25,9 +29,6 @@ from app.services.task_service import (
     TaskService,
     TaskUpdateData,
 )
-from sqlalchemy import select
-from sqlalchemy.ext.asyncio import AsyncSession, async_sessionmaker, create_async_engine
-from sqlalchemy.pool import StaticPool
 
 
 @pytest_asyncio.fixture()