Merge branch 'Aufinal/create_opes' into 'master'

K-Fêt - Dev :
- new command - createopes: Création d'opérations et transferts aléatoires

See merge request !193

kfet/models.py

@@ -466,7 +466,7 @@ class OrderArticle(models.Model):
     quantity_received = models.IntegerField(default = 0)
 
 class TransferGroup(models.Model):
-    at = models.DateTimeField(auto_now_add = True)
+    at = models.DateTimeField(default=timezone.now)
     # Optional
     comment = models.CharField(
         max_length = 255,
@@ -502,7 +502,7 @@ class OperationGroup(models.Model):
     checkout = models.ForeignKey(
         Checkout, on_delete = models.PROTECT,
         related_name = "opesgroup")
-    at = models.DateTimeField(auto_now_add = True)
+    at = models.DateTimeField(default=timezone.now)
     amount = models.DecimalField(
         max_digits = 6, decimal_places = 2,
         default = 0)