fix queries everywhere

district/forms.py

@@ -68,4 +68,4 @@ class DistrictArticlesPageForm(SharedArticlesPageForm, JekyllImportForm):
 
             valid_tag_ids += list(self.instance.shared_tags.all())
             
-            self.fields['displayed_tags'].queryset = DistrictArticleTag.objects.filter(id__in=valid_tag_ids).order_by("tag__name")
+            self.fields['displayed_tags'].queryset = DistrictArticleTag.filter(id__in=valid_tag_ids).order_by("tag__name").distinct("tag__name")
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elections/forms.py

@@ -41,4 +41,4 @@ class ElectionsArticlesPageForm(SharedArticlesPageForm, JekyllImportForm):
                 content_object__in=self.instance.get_children().specific()
             ).values_list('tag_id', flat=True).distinct()
             
-            self.fields['displayed_tags'].queryset = ElectionsArticleTag.objects.filter(id__in=valid_tag_ids).order_by("tag__name")
+            self.fields['displayed_tags'].queryset = ElectionsArticleTag.objects.filter(id__in=valid_tag_ids).order_by("tag__name").distinct("tag__name")
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main/forms.py

@@ -41,4 +41,4 @@ class MainArticlesPageForm(SharedArticlesPageForm, JekyllImportForm):
                 content_object__in=self.instance.get_children().specific()
             ).values_list('tag_id', flat=True).distinct()
             
-            self.fields['displayed_tags'].queryset = MainArticleTag.objects.filter(id__in=valid_tag_ids).order_by("tag__name")
+            self.fields['displayed_tags'].queryset = MainArticleTag.objects.filter(id__in=valid_tag_ids).order_by("tag__name").distinct("tag__name")
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