refactor: consolidate linting tools into Ruff

Co-authored-by: christianlouis <361235+christianlouis@users.noreply.github.com>

tests/test_api_azure_extended.py

@@ -1,8 +1,8 @@
 """Comprehensive unit tests for app/api/azure.py module."""
 
-import pytest
 from unittest.mock import MagicMock, patch
-from fastapi.testclient import TestClient
+
+import pytest
 
 
 @pytest.mark.unit
@@ -65,9 +65,10 @@ class TestAzureTestConnection:
     @patch("app.api.azure.azure.core.exceptions.ClientAuthenticationError")
     def test_azure_connection_authentication_error(self, mock_auth_error, mock_admin_client_class):
         """Test connection with authentication error."""
-        from app.config import settings
         import azure.core.exceptions
 
+        from app.config import settings
+
         mock_admin_client_class.side_effect = azure.core.exceptions.ClientAuthenticationError("Invalid key")
 
         with patch.object(settings, "azure_endpoint", "https://test.cognitiveservices.azure.com/"):
@@ -79,9 +80,10 @@ class TestAzureTestConnection:
     @patch("app.api.azure.DocumentIntelligenceAdministrationClient")
     def test_azure_connection_service_request_error(self, mock_admin_client_class):
         """Test connection with service request error."""
-        from app.config import settings
         import azure.core.exceptions
 
+        from app.config import settings
+
         mock_admin_client_class.side_effect = azure.core.exceptions.ServiceRequestError("Cannot reach endpoint")
 
         with patch.object(settings, "azure_endpoint", "https://test.cognitiveservices.azure.com/"):