- parts = urlsplit(request.META['HTTP_REFERER'])
- parts = ['', ''] + list(parts[2:])
- go_next = urlquote_plus(urlunsplit(parts))
+ referer = request.META.get('HTTP_REFERER')
+ if referer:
+ parts = urlsplit(referer)
+ parts = ['', ''] + list(parts[2:])
+ go_next = urlquote_plus(urlunsplit(parts))
+ else:
+ go_next = ''