Fix some paths

ohlhafv/views.py

@@ -14,6 +14,7 @@ from django.template.loader import render_to_string
 import logging
 import requests
 from dealer.git import git
+from sikweb.settings import URL
 
 from ohlhafv.models import OhlhafvChallenge
 from ohlhafv.forms import OhlhafvForm
@@ -39,7 +40,7 @@ def ohlhafv_submit(request, *args, **kwargs):
         challenge = form.instance
         email = form.cleaned_data.get('victim_email', '')
 
-        url = 'https://sika.sahkoinsinoorikilta.fi/ohlhafv/list'
+        url = f'https://{URL}/ohlhafv/list'
         subject = _('Sinut on haastettu Øhlhäfviin!')
 
         message = render_to_string(