Added two new exporters

src/pretix/plugins/checkinlists/signals.py

@@ -0,0 +1,9 @@
+from django.dispatch import receiver
+
+from pretix.base.signals import register_data_exporters
+
+
+@receiver(register_data_exporters, dispatch_uid="export_checkinlist_csv")
+def register_csv(sender, **kwargs):
+    from .exporters import CSVCheckinList
+    return CSVCheckinList