feat: implementing autocomplete for django admin pages.

common/djangoapps/student/admin.py

@@ -314,6 +314,7 @@ class CourseEnrollmentAdmin(DisableEnrollmentAdminMixin, admin.ModelAdmin):
     def get_queryset(self, request):
         return super().get_queryset(request).select_related('user')  # lint-amnesty, pylint: disable=no-member, super-with-arguments
 
+
 @method_decorator(login_required, name='dispatch')
 class LanguageAutocomplete(Select2ListView):
     def get_list(self):
@@ -321,6 +322,7 @@ class LanguageAutocomplete(Select2ListView):
             return []
         return [lang for lang in LANGUAGE_CHOICES if self.q.lower() in lang.lower()]
 
+
 @method_decorator(login_required, name='dispatch')
 class CountryAutocomplete(Select2ListView):
     """
@@ -350,6 +352,7 @@ class CountryAutocomplete(Select2ListView):
         """ What gets sent back on selection (the code) """
         return item
 
+
 class UserProfileInlineForm(forms.ModelForm):
     """
     A custom form for editing the UserProfile model within the admin inline.

common/djangoapps/student/tests/test_admin_views.py

@@ -33,7 +33,6 @@ from xmodule.modulestore.tests.django_utils import SharedModuleStoreTestCase  #
 from xmodule.modulestore.tests.factories import CourseFactory  # lint-amnesty, pylint: disable=wrong-import-order
 
 
-
 class AdminCourseRolesPageTest(SharedModuleStoreTestCase):
     """Test the django admin course roles form saving data in db.
     """