Merge branch 'dev' into 'master'

Dev

See merge request !319

finance/views.py

@@ -447,8 +447,11 @@ class YandexAvisoView(APIView):
         msg.attach_alternative(html_content, "text/html")
         msg.send()
 
-        if pay.invoice.rebilling_on:
+        try:
+            InvoiceRebilling.objects.get(yandex_pay=pay)
             setup_periodic_billing(pay.order_number)
+        except InvoiceRebilling.DoesNotExist:
+            pass
 
         return HttpResponse(xml_res, content_type='application/xml')