diff --git a/mycaldav/models.py b/mycaldav/models.py
index 002c635..aa2548c 100644
--- a/mycaldav/models.py
+++ b/mycaldav/models.py
@@ -54,6 +54,7 @@ class caldav_sync_manager(models.Model):
             print("pas de copy, sync déjà fait")
 
         last_month =  today - relativedelta(months=1)
+        print(f"test du mois précédant: {last_month.date}")
         o_caldav_sync_management = caldav_sync_manager.objects.filter(dtDate=last_month.date())
         if not o_caldav_sync_management.exists():
             self.copy_caldav_data(last_month)