diff --git a/src/pretix/multidomain/maindomain_urlconf.py b/src/pretix/multidomain/maindomain_urlconf.py
index d95227be59..c639503420 100644
--- a/src/pretix/multidomain/maindomain_urlconf.py
+++ b/src/pretix/multidomain/maindomain_urlconf.py
@@ -32,7 +32,7 @@ for app in apps.get_app_configs():
             raw_plugin_patterns.append(
                 url(r'', include(single_plugin_patterns, namespace=app.label))
             )
-        elif importlib.util.find_spec(app.name + '.maindomain_urls'):
+        elif importlib.util.find_spec(app.name + '.maindomain_urls'):  # noqa
             warnings.warn('Please put your config in an \'urls\' module using the urlpatterns and event_patterns '
                           'attribute. Support for maindomain_urls in plugins will be dropped in the future.',
                           DeprecationWarning)
diff --git a/src/pretix/multidomain/subdomain_urlconf.py b/src/pretix/multidomain/subdomain_urlconf.py
index 34ecfe8f92..745fb7dd19 100644
--- a/src/pretix/multidomain/subdomain_urlconf.py
+++ b/src/pretix/multidomain/subdomain_urlconf.py
@@ -25,7 +25,7 @@ for app in apps.get_app_configs():
                 raw_plugin_patterns.append(
                     url(r'^(?P<event>[^/]+)/', include(urlmod.event_patterns, namespace=app.label))
                 )
-        elif importlib.util.find_spec(app.name + '.subdomain_urls'):
+        elif importlib.util.find_spec(app.name + '.subdomain_urls'):  # noqa
             warnings.warn('Please put your config in an \'urls\' module using the event_patterns '
                           'attribute. Support for subdomain_urls in plugins will be dropped in the future.',
                           DeprecationWarning)