Some old jobs still exist in the Slug table in DB, but not the jobentry column, leading to a return None here.

afpy/__init__.py

@@ -3,7 +3,7 @@ import email
 from flask import abort
 from flask import Flask
 from flask import render_template
-from flask import request
+from flask import request, redirect
 from flask_admin import Admin
 from flask_login import LoginManager
 from flask_pagedown import PageDown
@@ -106,6 +106,8 @@ def get_slug_url(item):
 
 @application.route("/<path:slug>")
 def slug_fallback(slug):
+    if slug.startswith("posts/emplois/") or slug.startswith("jobs/"):
+        return redirect("https://discuss.afpy.org/c/emplois/14")
     slug = Slug.get_or_none(url="/" + slug)
     if not slug:
         abort(404)