Disable invoice/payment change handling for loaddata

coin/billing/models.py

@@ -560,6 +560,7 @@ def compute_balance(invoices, payments):
 
 
 @receiver(post_save, sender=Payment)
+@disable_for_loaddata
 def payment_changed(sender, instance, created, **kwargs):
 
     if created:
@@ -578,7 +579,9 @@ def payment_changed(sender, instance, created, **kwargs):
     and (instance.member is not None):
         update_accounting_for_member(instance.member)
 
+
 @receiver(post_save, sender=Invoice)
+@disable_for_loaddata
 def invoice_changed(sender, instance, created, **kwargs):
 
     if created: