diff --git a/apps/backend/chatballs/ai/provider/routing.py b/apps/backend/chatballs/ai/provider/routing.py
index dfb633e..544b37f 100644
--- a/apps/backend/chatballs/ai/provider/routing.py
+++ b/apps/backend/chatballs/ai/provider/routing.py
@@ -21,11 +21,11 @@ at runtime and overrides `AIAgent.model`.
 
 from __future__ import annotations
 
-from chatballs.i18n import t
 from chatballs.ai.provider.base import LLMProvider, ProviderError
 from chatballs.ai.provider.custom import CustomProvider
 from chatballs.ai.provider.demo import DemoProvider
 from chatballs.ai.provider.openrouter import OpenRouterProvider
+from chatballs.i18n import t
 from chatballs.integrations.models import Integration, IntegrationProvider
 
 
diff --git a/apps/backend/chatballs/calls/event_handlers.py b/apps/backend/chatballs/calls/event_handlers.py
index 216ce27..bb68718 100644
--- a/apps/backend/chatballs/calls/event_handlers.py
+++ b/apps/backend/chatballs/calls/event_handlers.py
@@ -14,8 +14,8 @@ from chatballs.calls.models import CallInvite, CallSession, CallStatus, InviteDe
 from chatballs.calls.services import CALL_INVITE_SEND
 from chatballs.calls.tokens import issue_invite_token
 from chatballs.conversations import transports
-from chatballs.i18n import customer_language, t
 from chatballs.events.handlers import register
+from chatballs.i18n import customer_language, t
 from chatballs.identity.instance_settings import public_base_url
 from chatballs.tenancy.context import TenantContext
 
diff --git a/apps/backend/chatballs/conversations/services.py b/apps/backend/chatballs/conversations/services.py
index 982c6fd..7276888 100644
--- a/apps/backend/chatballs/conversations/services.py
+++ b/apps/backend/chatballs/conversations/services.py
@@ -19,11 +19,6 @@ from chatballs.integrations.models import IntegrationProvider
 from chatballs.tenancy.context import TenantContext
 
 
-
-
-
-
-
 class ClaimError(Exception):
 
     pass
diff --git a/apps/backend/chatballs/identity/demo_seed/orchestrator.py b/apps/backend/chatballs/identity/demo_seed/orchestrator.py
index 958cb4e..f695050 100644
--- a/apps/backend/chatballs/identity/demo_seed/orchestrator.py
+++ b/apps/backend/chatballs/identity/demo_seed/orchestrator.py
@@ -8,6 +8,7 @@ foundation → channels/ai → support → conversations → operations.
 
 from __future__ import annotations
 
+from chatballs.i18n import customer_language
 from chatballs.identity.demo_seed.loaders import (
     channels_ai as channels_ai_loader,
 )
@@ -23,7 +24,6 @@ from chatballs.identity.demo_seed.loaders import (
 from chatballs.identity.demo_seed.loaders import (
     support as support_loader,
 )
-from chatballs.i18n import customer_language
 from chatballs.identity.demo_seed.refs import DemoRefs
 from chatballs.tenancy.context import TenantContext
 
diff --git a/apps/backend/chatballs/integrations/outbound.py b/apps/backend/chatballs/integrations/outbound.py
index 5c535fc..b827416 100644
--- a/apps/backend/chatballs/integrations/outbound.py
+++ b/apps/backend/chatballs/integrations/outbound.py
@@ -18,12 +18,12 @@ OpenAI-совместимый сервер или собственный Bot API
 
 from __future__ import annotations
 
-from chatballs.i18n import t
-
 import ipaddress
 import socket
 from urllib.parse import urlsplit
 
+from chatballs.i18n import t
+
 HTTP_SCHEMES = frozenset({"http", "https"})
 PROXY_SCHEMES = frozenset({"http", "https", "socks5", "socks5h"})
 
diff --git a/apps/backend/chatballs/integrations/tests.py b/apps/backend/chatballs/integrations/tests.py
index 5f9739e..21d8ac5 100644
--- a/apps/backend/chatballs/integrations/tests.py
+++ b/apps/backend/chatballs/integrations/tests.py
@@ -5,9 +5,9 @@ from unittest import mock
 from django.core.exceptions import ValidationError
 from django.test import TestCase
 
+from chatballs.i18n import tn
 from chatballs.identity.bootstrap import bootstrap_owner
 from chatballs.identity.models import Organization
-from chatballs.i18n import tn
 from chatballs.integrations import checks
 from chatballs.integrations.models import (
     Integration,
diff --git a/apps/backend/chatballs/notifications/binding.py b/apps/backend/chatballs/notifications/binding.py
index 012d3cf..9b3e33a 100644
--- a/apps/backend/chatballs/notifications/binding.py
+++ b/apps/backend/chatballs/notifications/binding.py
@@ -16,8 +16,8 @@ from django.utils import timezone
 
 from chatballs.conversations import transports
 from chatballs.conversations.transports.base import InboundMessage
-from chatballs.integrations.models import Integration, IntegrationKind, IntegrationProvider
 from chatballs.i18n import customer_language, first_chosen, normalize_language, t
+from chatballs.integrations.models import Integration, IntegrationKind, IntegrationProvider
 from chatballs.notifications.models import MessengerBinding, MessengerBindingCode
 
 logger = logging.getLogger(__name__)