From 77fe0dc542e18d78b9325ae0a84589f782f21f3b Mon Sep 17 00:00:00 2001
From: Oliver <oliver.henry.walters@gmail.com>
Date: Thu, 12 Apr 2018 19:14:07 +1000
Subject: [PATCH] Remove requirement for unique IPN

- Blank IPN values did not count as 'unique'
---
 InvenTree/part/models.py | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/InvenTree/part/models.py b/InvenTree/part/models.py
index 6c2df81e3e..3ca4ebab0c 100644
--- a/InvenTree/part/models.py
+++ b/InvenTree/part/models.py
@@ -60,8 +60,7 @@ class Part(models.Model):
     class Meta:
         verbose_name = "Part"
         verbose_name_plural = "Parts"
-        unique_together = (("name", "category"),
-                           ("IPN", "category"))
+        unique_together = (("name", "category"),)
 
     @property
     def stock(self):