From 4fd0dc8f28df65ebecdbe5c2c04c7a4b5c7dc23b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Nicolas=20=C3=89vrard?= <nicoe@b2ck.com>
Date: Tue, 11 Apr 2017 11:00:25 +0200
Subject: [PATCH] Remove useless and non-modular comparison to None

issue6432
review34081002
---
 sale.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sale.py b/sale.py
index 19831da5ae..149ac70b89 100644
--- a/sale.py
+++ b/sale.py
@@ -400,7 +400,7 @@ class Sale:
         invoice = super(Sale, self).create_invoice()
 
         if self.advance_payment_eligible():
-            if invoice is None and not self.advance_payment_completed:
+            if not self.advance_payment_completed:
                 for condition in self.advance_payment_conditions:
                     condition.create_invoice()
             elif invoice is not None: