From 19963db1028de29fc95133f25d37621576f07e1a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?V=C3=AD=C3=B0ir=20Valberg=20Gu=C3=B0mundsson?=
 <valberg@orn.li>
Date: Sun, 7 Jan 2018 17:15:03 +0100
Subject: [PATCH] Woops, available_in can be null

---
 src/shop/admin.py | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/shop/admin.py b/src/shop/admin.py
index a6f6beb6..c23cf268 100644
--- a/src/shop/admin.py
+++ b/src/shop/admin.py
@@ -35,11 +35,15 @@ class ProductCategoryAdmin(admin.ModelAdmin):
 
 
 def available_from(product):
-    return product.available_in.lower.strftime("%c")
+    if product.available_in:
+        return product.available_in.lower.strftime("%c")
+    return "None"
 available_from.short_description = 'Available from'
 
 def available_to(product):
-    return product.available_in.upper.strftime("%c")
+    if product.available_in:
+        return product.available_in.upper.strftime("%c")
+    return "None"
 available_to.short_description = 'Available to'