🩹(backend) replace requests exception with urllib3 ones

My bad, I caught the wrong exception, issue is still raising in Sentry.
It fixes commit #2a7d963f

src/backend/core/services/marketing.py

@@ -10,7 +10,7 @@ from django.core.exceptions import ImproperlyConfigured
 from django.utils.module_loading import import_string
 
 import brevo_python
-import requests
+import urllib3
 
 logger = logging.getLogger(__name__)
 
@@ -121,7 +121,10 @@ class BrevoMarketingService:
 
         try:
             response = contact_api.create_contact(contact, **api_configurations)
-        except (brevo_python.rest.ApiException, requests.exceptions.ReadTimeout) as err:
+        except (
+            brevo_python.rest.ApiException,
+            urllib3.exceptions.ReadTimeoutError,
+        ) as err:
             logger.warning("Failed to create contact in Brevo", exc_info=True)
             raise ContactCreationError("Failed to create contact in Brevo") from err
 

src/backend/core/tests/services/test_marketing.py

@@ -11,7 +11,7 @@ from django.core.exceptions import ImproperlyConfigured
 
 import brevo_python
 import pytest
-import requests
+import urllib3
 
 from core.services.marketing import (
     BrevoMarketingService,
@@ -152,7 +152,11 @@ def test_create_contact_timeout_error(mock_contact_api):
 
     brevo_service = BrevoMarketingService()
 
-    mock_api.create_contact.side_effect = requests.exceptions.ReadTimeout()
+    mock_api.create_contact.side_effect = urllib3.exceptions.ReadTimeoutError(
+        pool=mock.Mock(),
+        url="https://api.brevo.com/v3/endpoint",
+        message="HTTPSConnectionPool(host='api.brevo.com', port=443): Read timed out.",
+    )
 
     with pytest.raises(ContactCreationError, match="Failed to create contact in Brevo"):
         brevo_service.create_contact(valid_contact_data)