From d7948902641ecbb63a07479490c37fdbd78e01a6 Mon Sep 17 00:00:00 2001
From: Matthias <code@mjmair.com>
Date: Wed, 11 May 2022 17:38:42 +0200
Subject: [PATCH] fix assertations

---
 InvenTree/plugin/plugin.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/InvenTree/plugin/plugin.py b/InvenTree/plugin/plugin.py
index 2acebcbd47..f949781c10 100644
--- a/InvenTree/plugin/plugin.py
+++ b/InvenTree/plugin/plugin.py
@@ -43,7 +43,7 @@ class MetaBase:
         value = getattr(self, key, None)
 
         # The key was not used
-        if old_key and not value:
+        if old_key and value is None:
             value = getattr(self, old_key, None)
 
             # Sound of a warning if old_key worked
@@ -51,7 +51,7 @@ class MetaBase:
                 warnings.warn(f'Usage of {old_key} was depreciated in 0.7.0 in favour of {key}', DeprecationWarning)
 
         # Use __default if still nothing set
-        if not value:
+        if (value is None) and __default:
             return __default
         return value