Refs -- Fixed 'invalid escape sequence' warning on Python 3.6+.
@@ -1636,7 +1636,7 @@ class ModelAdmin(BaseModelAdmin):
def _get_edited_object_pks(self, request, prefix):
"""Return POST data values of list_editable primary keys."""
- pk_pattern = re.compile('{}-\d+-{}$'.format(prefix, self.model._meta.pk.name))
+ pk_pattern = re.compile(r'{}-\d+-{}$'.format(prefix, self.model._meta.pk.name))
return [value for key, value in request.POST.items() if pk_pattern.match(key)]
def _get_list_editable_queryset(self, request, prefix):
