Migrate to Django 3.2

diff --git a/unique_session/models.py b/unique_session/models.py
index 66e09b8e1c87b82d0e4cd89c5a5122d6dd8aad6f..924f6e3b97b28b8fafaebc76a1c47dc4a5dd38d1 100644 (file)
--- a/unique_session/models.py
+++ b/unique_session/models.py
@@ -6,7 +6,7 @@ from django.contrib.sessions.models import Session as BaseSession
 
 class Session(BaseSession):
     user = models.OneToOneField(User, related_name='session',
-                             unique=False, blank=True, null=True)
+                             unique=False, blank=True, null=True, on_delete=models.SET_NULL)
 
     updated_date = models.DateTimeField(_('updated date'), db_index=True,
                                         auto_now=True)