<https://www.thecoderscamp.com/django-override-settings-does-not-allow-dictionary/#authorImage>
<http://schema.org/url>
<https://secure.gravatar.com/avatar/487f71d262261ac446842f79e051eb47?s=96&d=mm&r=g>
<https://www.thecoderscamp.com/django-override-settings-does-not-allow-dictionary/>