
This patch is a follow-up patch of 00def145de
which renamed
is_safe_url() -> url_has_allowed_host_and_scheme() because
is_safe_url() is deprecated in Django 3.0.
For more info, please refer [1].
[1] https://docs.djangoproject.com/en/4.0/releases/3.0/#deprecated-features-3-0
Change-Id: I419f328916650093396fc153932a5053c3fa6b0e