fix articles_page crash

shared/models/main.py

@@ -1116,6 +1116,7 @@ class MainHomePageMixin(
     def get_context(self, request, *args, **kwargs):
         context = super().get_context(request, args, kwargs)
 
+        if self.articles_page:
             context["article_data_list"] = self.materialize_shared_articles_query(
                 self.append_all_shared_articles_query(
                     self.article_page_model.objects.live()