In the title of this topic you’re confused about the request for favicon.ico but your text seems more confused about the request for the leadership URL. Is one or other or both?
Re:
That’s what’s odd, I’ve searched all the files, css, javascript, migrations, templates, views, urls, etc. and did not find a single reference to leadership.
You certainly used to have such a URL - are you sure it doesn’t still exist? See your urls.py in Namespacing and using name=