X-Git-Url: https://git.mdrn.pl/edumed.git/blobdiff_plain/4e108b153d4a15cb2641f25dc6dc506c77db9bca..4d579bfcf20ca69d142c3bcc9eb96feb72888d63:/stage2/models.py

diff --git a/stage2/models.py b/stage2/models.py
index 81625b9..dc7ac63 100644
--- a/stage2/models.py
+++ b/stage2/models.py
@@ -63,7 +63,8 @@ class Assignment(models.Model):
     deadline = models.DateTimeField(_('deadline'))
     max_points = models.IntegerField(_('max points'))
     experts = models.ManyToManyField(User, verbose_name=_('experts'), related_name='stage2_assignments')
-    arbiters = models.ManyToManyField(User, verbose_name=_('arbiters'), related_name='stage2_arbitrated')
+    arbiters = models.ManyToManyField(
+        User, blank=True, verbose_name=_('arbiters'), related_name='stage2_arbitrated')
     file_descriptions = JSONField(_('file descriptions'))
 
     class Meta: