1 files changed, 2 insertions, 0 deletions
diff --git a/management/commands/timetables.py b/management/commands/timetables.py
index c67cb0b..37a5201 100644
--- a/management/commands/timetables.py
+++ b/management/commands/timetables.py
@@ -1,4 +1,5 @@
 from django.core.management.base import BaseCommand, CommandError
+from django.db import transaction
 from django.utils import timezone
 from edt.models import Timetable, Group, Room, Course
 
@@ -28,6 +29,7 @@ class Command(BaseCommand):
             for week in weeks:
                 yield year, week
 
+    @transaction.atomic
     def handle(self, *args, **options):
         for year, week in self.__get_weeks(options["week"]):
             delete_courses_in_week(year, week)