X-Git-Url: https://git.mdrn.pl/edumed.git/blobdiff_plain/6612e6c0026cee6bbeb7845a5c5749420b409b3b..963ec6666865c661bb53519cce3f96b9c5fdd0a3:/wtem/models.py

diff --git a/wtem/models.py b/wtem/models.py
index 5325a58..56c814c 100644
--- a/wtem/models.py
+++ b/wtem/models.py
@@ -83,7 +83,7 @@ class Submission(models.Model):
         if exercise_checked_manually(exercise):
             marks_by_examiner = self.get_exercise_marks_by_examiner(exercise_id)
             if len(marks_by_examiner):
-                return max(marks_by_examiner.values())
+                return max(map(int, marks_by_examiner.values()))
             else:
                 return None
         else: