Move prepopulated fields back to original implementation

website/events/admin.py

@@ -120,6 +120,7 @@ class EventAdmin(DoNextModelAdmin):
     actions = ('make_published', 'make_unpublished')
     date_hierarchy = 'start'
     search_fields = ('title', 'description')
+    prepopulated_fields = {'map_location': ('location',)}
 
     def overview_link(self, obj):
         return format_html('<a href="{link}">{title}</a>',
@@ -231,14 +232,6 @@ class EventAdmin(DoNextModelAdmin):
         del actions['delete_selected']
         return actions
 
-    def get_prepopulated_fields(self, request, obj):
-        # FIXME(Django bug) move this back to a normal ``prepopulated_fields``
-        # class field when bug https://code.djangoproject.com/ticket/29929 gets
-        # fixed
-        if self.has_change_permission(request, obj):
-            return {'map_location': (f'location_en',)}
-        return super().get_prepopulated_fields(request, obj)
-
     def get_formsets_with_inlines(self, request, obj=None):
         for inline in self.get_inline_instances(request, obj):
             if self.has_change_permission(request, obj) or obj is None: