From d1b5683afade801f4f9f8414feb4f8bed1abbc89 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?C=C3=A9dric=20Krier?= <ced@b2ck.com>
Date: Fri, 1 Nov 2019 22:50:21 +0100
Subject: [PATCH] Group taxes also per base sign

This allow to report in tax code the invoice and credit note separately.

issue8759
review282291002
---
 tax.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tax.py b/tax.py
index 8a4a846e65..51ad25539c 100644
--- a/tax.py
+++ b/tax.py
@@ -1059,7 +1059,7 @@ class _TaxKey(dict):
         self.update(kwargs)
 
     def _key(self):
-        return (self['account'], self['tax'])
+        return (self['account'], self['tax'], self['base'] >= 0)
 
     def __eq__(self, other):
         if isinstance(other, _TaxKey):