fix: django: typo

estimevent/contrib/django/estimevent/models.py

@@ -169,7 +169,7 @@ class EstimEventWrapperBase(object):
     def remove(cls, estim_event, production=True):
         with transaction.commit_on_success():
             if production:
-                EstimEvent.objects.remove(estim_event)
+                estim_event.delete()
             cls.get_api().delete_event(estim_event.key, production=production)