fix: improve maintenance and synchronize live conversations

backend/tests/channels/test_slack_adapter.py

@@ -207,7 +207,7 @@ class TestSlackProfileAndTyping:
 
     @pytest.mark.asyncio
     async def test_typing_placeholder_then_edit(self, adapter, monkeypatch):
-        from unittest.mock import AsyncMock, MagicMock
+        from unittest.mock import MagicMock
         import app.channels.slack as slk
         acc = MagicMock(); acc.id = "acc1"
         conv = MagicMock(external_conversation_id="D7")

backend/tests/channels/test_sms_providers.py

@@ -24,7 +24,6 @@ import pytest
 
 from app.channels.sms import get_provider, list_providers
 from app.channels.sms.base import SmsWebhookRequest
-from app.channels.sms.twilio import TwilioProvider
 
 
 def make_req(params=None, json_body=None, headers=None, url="https://x/api/v1/webhooks/sms/p/abc", raw=b""):