diff --git a/enterprise/models.py b/enterprise/models.py
index 69eb4d5db..9d0748c7c 100644
--- a/enterprise/models.py
+++ b/enterprise/models.py
@@ -2593,7 +2593,7 @@ def determine_content_type(self):
         Determines the content_type for a given content_key by validating the return value
         from `content_metadata_for_content_key`. First determines if the configured content_key
         matches the returned key, then checks if it matches any of the returned course runs.
-        
+
         Returns either COURSE, COURSE_RUN, or None (if neither can be determined).
         """
         if not (content_metadata := self.content_metadata_for_content_key):
@@ -2632,10 +2632,10 @@ def clean(self):
                 args=[existing_record.uuid],
             )
             message = _(
-                f'A default enrollment intention with this enterprise customer and '
-                f'content key already exists, but is soft-deleted. Please restore '
-                f'it <a href="{existing_record_admin_url}">here</a>.',
-            )
+                'A default enrollment intention with this enterprise customer and '
+                'content key already exists, but is soft-deleted. Please restore '
+                'it <a href="{existing_record_admin_url}">here</a>.',
+            ).format(existing_record_admin_url=existing_record_admin_url)
             raise ValidationError({
                 'content_key': mark_safe(message)
             })
diff --git a/tests/test_models.py b/tests/test_models.py
index 1b9b5f23d..1e9962327 100644
--- a/tests/test_models.py
+++ b/tests/test_models.py
@@ -19,9 +19,9 @@
 from freezegun.api import freeze_time
 from opaque_keys.edx.keys import CourseKey
 from pytest import mark, raises
+from requests.exceptions import HTTPError
 from slumber.exceptions import HttpClientError
 from testfixtures import LogCapture
-from requests.exceptions import HTTPError
 
 from django.conf import settings
 from django.core.exceptions import ValidationError