refactor: pyupgrade second iteration (#27458)

openedx/features/course_experience/api/v1/tests/test_views.py

@@ -6,7 +6,7 @@ import ddt
 
 from django.urls import reverse
 from django.utils import timezone
-from mock import patch
+from unittest.mock import patch
 
 from common.djangoapps.course_modes.models import CourseMode
 from common.djangoapps.student.models import CourseEnrollment

openedx/features/course_experience/api/v1/urls.py

@@ -22,7 +22,7 @@ urlpatterns += [
 # URL for retrieving course deadlines info
 urlpatterns += [
     re_path(
-        r'v1/course_deadlines_info/{}'.format(settings.COURSE_KEY_PATTERN),
+        fr'v1/course_deadlines_info/{settings.COURSE_KEY_PATTERN}',
         CourseDeadlinesMobileView.as_view(),
         name='course-experience-course-deadlines-mobile'
     ),