Import ImproperlyConfigured

tests/campaign_backends/test_mailchimp_backend.py

@@ -410,10 +410,15 @@ def test_log_and_raise(caplog: pytest.LogCaptureFixture):
 
 def test_inject_campaign_settings():
     class InjectBackend(MockMailchimpCampaignBackend):
-        def get_campaign_request_body(self, *, recipients, subject, from_name, reply_to):
+        def get_campaign_request_body(
+            self, *, recipients, subject, from_name, reply_to
+        ):
             return dict(
                 super().get_campaign_request_body(
-                    recipients=recipients, subject=subject, from_name=from_name, reply_to=reply_to
+                    recipients=recipients,
+                    subject=subject,
+                    from_name=from_name,
+                    reply_to=reply_to,
                 ),
                 test_key="test_value",
             )

wagtail_newsletter/campaign_backends/mailchimp.py

@@ -203,15 +203,16 @@ def get_campaign_request_body(
         }
 
         if recipients is not None:
-            body["recipients"] = {
+            recipients_mapping: dict[str, Any] = {
                 "list_id": recipients.audience,
             }
 
             if recipients.segment:
                 segment_id = int(recipients.segment.split("/")[1])
-                body["recipients"]["segment_opts"] = {
+                recipients_mapping["segment_opts"] = {
                     "saved_segment_id": segment_id,
                 }
+            body["recipients"] = recipients_mapping
 
         return body
 
@@ -225,7 +226,6 @@ def save_campaign(
         from_name: str,
         html: str,
     ) -> str:
-
         body = self.get_campaign_request_body(
             recipients=recipients,
             subject=subject,

wagtail_newsletter/models.py

@@ -1,8 +1,8 @@
 from typing import Any, Optional
 
-from django.core.exceptions import ValidationError
-from django.db import models
 from django.conf import settings
+from django.core.exceptions import ImproperlyConfigured, ValidationError
+from django.db import models
 from django.http import HttpResponse
 from django.template.loader import render_to_string
 from django.utils.safestring import SafeString