improve readability

Author: wiffbi

pretix_authorizenet/views.py

@@ -62,7 +62,7 @@ def webhook(request, *args, **kwargs):
 
     payment.order.log_action("pretix_authorizenet.event", data=data)
     if data["eventType"] == "net.authorize.payment.void.created" or data["eventType"] == "net.authorize.payment.refund.created":
-        # before creating an external refund, check if we just created this ourselves beforehand?
+        # before creating an external refund, check if we just created this ourselves
         inv_num = data["payload"].get("invoiceNumber", "")
         if '-R-' in inv_num:
             r = OrderRefund.objects.filter(
@@ -72,11 +72,11 @@ def webhook(request, *args, **kwargs):
             ).first()
             if r and r.state == OrderRefund.REFUND_STATE_DONE:
                 return HttpResponse("Already processed", status=200)
-
-        payment.create_external_refund(
-            Decimal(data["payload"]["authAmount"]) if data["eventType"] == "net.authorize.payment.refund.created" else payment.amount,
-            info=json.dumps(data["payload"])
-        )
+        if data["eventType"] == "net.authorize.payment.refund.created":
+            amount = Decimal(data["payload"]["authAmount"])
+        else:
+            amount = payment.amount
+        payment.create_external_refund(amount, info=json.dumps(data["payload"]))
     elif data[
         "eventType"
     ] == "net.authorize.payment.fraud.declined" and payment.state not in (