diff --git a/competition/models.py b/competition/models.py
index 0aa2a2b..72c24f5 100644
--- a/competition/models.py
+++ b/competition/models.py
@@ -803,7 +803,7 @@ def can_user_modify(self, user):
         return self.event.can_user_modify(user)
 
     def __str__(self):
-        return str(self.event)
+        return str(self.event) # pylint: disable=no-member
 
 
 class ProblemCorrection(models.Model):