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[2.1.x] Refs #28462 -- Fixed 'invalid escape sequence' warning on Python 3.6+. 

Backport of e9bd1a3e12 from master
This commit is contained in:
Tim Graham 2018-06-06 11:40:24 -04:00
parent 60aa235f43
commit 38bdac4752
1 changed files with 1 additions and 1 deletions
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django/contrib/admin/options.py
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@ -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):