Fixes.

[edumed.git] / wtem / models.py

diff --git a/wtem/models.py b/wtem/models.py
index 4c3d0ee..fd8e834 100644 (file)
--- a/wtem/models.py
+++ b/wtem/models.py
@@ -25,7 +25,7 @@ class Submission(models.Model):
     email = models.EmailField(max_length = 100, unique = True)
     answers = models.CharField(max_length = 65536, null = True, blank = True)
     key_sent = models.BooleanField(default = False)
-    marks = JSONField()
+    marks = JSONField(default={})
     examiners = models.ManyToManyField(User, null = True, blank = True)
     end_time = models.CharField(max_length = 5, null = True, blank = True)