Move atomic transaction block

src/pretix/base/services/orders.py

@@ -288,7 +288,6 @@ def _check_positions(event: Event, now_dt: datetime, positions: List[CartPositio
         raise OrderError(err)
 
 
-@transaction.atomic
 def _create_order(event: Event, email: str, positions: List[CartPosition], now_dt: datetime,
                   payment_provider: BasePaymentProvider, locale: str=None, address: int=None,
                   meta_info: dict=None):
@@ -317,6 +316,7 @@ def _create_order(event: Event, email: str, positions: List[CartPosition], now_d
         if last_date < expires:
             expires = last_date
 
+    with transaction.atomic():
         order = Order.objects.create(
             status=Order.STATUS_PENDING,
             event=event,
@@ -344,6 +344,7 @@ def _create_order(event: Event, email: str, positions: List[CartPosition], now_d
                 pass
 
         order.log_action('pretix.event.order.placed')
+
     order_placed.send(event, order=order)
     return order