Don't create new checks in the docs page. For examples, use a dummy "your-uuid-here" value.

hc/api/models.py

@@ -8,7 +8,6 @@ from datetime import datetime, timedelta as td
 
 from croniter import croniter
 from django.conf import settings
-from django.core.checks import Warning
 from django.contrib.auth.models import User
 from django.db import models
 from django.urls import reverse

hc/front/views.py

@@ -110,14 +110,12 @@ def index(request):
 
 
 def docs(request):
-    check = _welcome_check(request)
-
     ctx = {
         "page": "docs",
         "section": "home",
         "ping_endpoint": settings.PING_ENDPOINT,
-        "check": check,
-        "ping_url": check.url()
+        "ping_email": "your-uuid-here@%s" % settings.PING_EMAIL_DOMAIN,
+        "ping_url": settings.PING_ENDPOINT + "your-uuid-here"
     }
 
     return render(request, "front/docs.html", ctx)

templates/front/docs.html

@@ -167,7 +167,7 @@ using the "-command" argument:</p>
 <p>
     As an alternative to HTTP/HTTPS requests,
     you can "ping" this check by sending an
-    email message to <a href="mailto:{{ check.email }}">{{ check.email }}</a>
+    email message to <strong>{{ ping_email }}</strong>
 </p>
 <p>
     This is useful for end-to-end testing weekly email delivery.