From d465d05d90e52efc295b3c629e389fef49f58eed Mon Sep 17 00:00:00 2001
From: Klaus-Uwe Mitterer <git@kumi.email>
Date: Wed, 24 Mar 2021 07:43:47 +0100
Subject: [PATCH] Quite a silly mistake, really.

---
 auction/models.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/auction/models.py b/auction/models.py
index 4f7eb05..0514c43 100644
--- a/auction/models.py
+++ b/auction/models.py
@@ -17,10 +17,10 @@ class Inquiry(models.Model):
 
     @property
     def is_paid(self):
-        if not inquiry.invoice:
+        if not self.invoice:
             return False
 
-        return inquiry.invoice.is_paid
+        return self.invoice.is_paid
 
     def get_hotels(self):
         pass