fixing favico issue

config/urls.py

@@ -18,7 +18,11 @@
 from django.contrib import admin
 from django.urls import include, path
 from django.views.generic.base import RedirectView
+from django.http import HttpResponse
+from django.urls import re_path
 
+def empty_favicon(request):
+    return HttpResponse(status=204)
 
 urlpatterns = [
     path("auth/", include("authbroker_client.urls", namespace="authbroker")),
@@ -38,6 +42,7 @@
     path("payroll/", include("payroll.urls")),
     path("admin/", admin.site.urls),
     # TODO - split below out into develop only?
+    re_path(r"^favicon.ico$", empty_favicon),
     path(
         "assets/<path:asset_path>",
         RedirectView.as_view(url="/static/govuk/assets/%(asset_path)s"),
@@ -58,4 +63,4 @@
 
     urlpatterns.append(
         path("__debug__/", include(debug_toolbar.urls)),
-    )
+    )