fix: add darklangmiddleware backend for test

eox_tenant/edxapp_wrapper/backends/dark_lang_middleware_o_test_v1.py

@@ -0,0 +1,9 @@
+"""
+DarkLangMiddleware Backend for tests.
+"""
+from unittest.mock import MagicMock
+
+
+def get_dark_lang_middleware():
+    """Backend to get the DarkLangMiddleware from openedx."""
+    return MagicMock()

eox_tenant/edxapp_wrapper/backends/dark_lang_middleware_o_v1.py

@@ -1,4 +1,8 @@
-from openedx.core.djangoapps.dark_lang.middleware import DarkLangMiddleware
+"""
+DarkLangMiddleware Backend.
+"""
+from openedx.core.djangoapps.dark_lang.middleware import DarkLangMiddleware # pylint: disable=import-error
+
 
 def get_dark_lang_middleware():
     """Backend to get the DarkLangMiddleware from openedx."""

eox_tenant/settings/test.py

@@ -33,6 +33,7 @@ class SettingsClass:
 GET_THEMING_HELPERS = 'eox_tenant.edxapp_wrapper.backends.theming_helpers_test_v1'
 EOX_TENANT_USERS_BACKEND = 'eox_tenant.edxapp_wrapper.backends.users_test_v1'
 EOX_TENANT_BEARER_AUTHENTICATION = 'eox_tenant.edxapp_wrapper.backends.bearer_authentication_test_v1'
+DARK_LANG_MIDDLEWARE = 'eox_tenant.edxapp_wrapper.backends.dark_lang_middleware_o_test_v1'
 
 COURSE_KEY_PATTERN = r'(?P<course_key_string>[^/+]+(/|\+)[^/+]+(/|\+)[^/?]+)'
 COURSE_ID_PATTERN = COURSE_KEY_PATTERN.replace('course_key_string', 'course_id')

eox_tenant/tenant_aware_functions/released_languages.py

@@ -1,9 +1,13 @@
+"""
+Site/Tenant aware languages filter.
+"""
 from collections import namedtuple
 
 from django.conf import settings
 
 Language = namedtuple('Language', 'code name')
 
+
 def tenant_languages():
     """Retrieve the list of released languages by tenant.
 

eox_tenant/tenant_wise/proxies.py

@@ -215,12 +215,12 @@ def released_langs(self):
         """
         Current list of released languages from settings.
         """
-        
+
         language_options = getattr(settings, "released_languages", "")
         if settings.LANGUAGE_CODE not in language_options:
             language_options.append(settings.LANGUAGE_CODE)
         return language_options
-    
+
     def process_request(self, request):
         """
         This will be run when you do a request, and prevent user from requesting un-released languages.