When I use requests test loginView, return 302 and response header set-cookie , in sessionid line, there are always have a "SameSite=Lax," before sessionid string. This causes client cookies parser problem。

[bjxyys XIN]

{set-cookie: csrftoken=dsEtx2CP6rX5bhIbRmkTOv5LmciytID5t6ShQbgNMTALTnhCoXdxWQ1TcAzxQoDO; expires=Wed, 06 Jan 2021 17:01:00 GMT; Max-Age=31449600; Path=/; SameSite=Lax,sessionid=2rtrkbnhc8m30iqs7sw4em014hr6a3ss; expires=Wed, 22 Jan 2020 17:01:00 GMT; HttpOnly; Max-Age=1209600; Path=/; SameSite=Lax, location: /, cache-control: max-age=0, no-cache, no-store, must-revalidate, private, date: Wed, 08 Jan 2020 17:01:00 GMT, vary: Cookie, content-length: 0, x-frame-options: DENY, content-type: text/html; charset=utf-8, x-content-type-options: nosniff, server: WSGIServer/0.2 CPython/3.7.6, expires: Wed, 08 Jan 2020 17:01:00 GMT}