From 28e6d50f08b6cba93539d4db5ca0ca0e4710dccb Mon Sep 17 00:00:00 2001
From:  <oliver@Moonicorn.localdomain>
Date: Fri, 27 Apr 2018 09:33:05 +1000
Subject: [PATCH] Check for null StockItem location

---
 InvenTree/stock/models.py | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/InvenTree/stock/models.py b/InvenTree/stock/models.py
index d60356ea8e..f77550b609 100644
--- a/InvenTree/stock/models.py
+++ b/InvenTree/stock/models.py
@@ -181,10 +181,14 @@ class StockItem(models.Model):
         self.add_stock(-amount)
 
     def __str__(self):
-        return "{n} x {part} @ {loc}".format(
-            n=self.quantity,
-            part=self.part.name,
-            loc=self.location.name)
+        s = '{n} x {part}'.format(
+	    n=self.quantity,
+            part=self.part.name)
+
+        if self.location:
+            s += ' @ {loc}'.format(loc=self.location.name)
+
+        return s
 
     @property
     def is_trackable(self):