From e121ad374b7d957c841a0c68a7d1db4a98ff1413 Mon Sep 17 00:00:00 2001
From: Matthias <matthias.mair@oewf.org>
Date: Wed, 17 Nov 2021 02:02:47 +0100
Subject: [PATCH] more safer = more better ::inno:

---
 InvenTree/plugin/apps.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/InvenTree/plugin/apps.py b/InvenTree/plugin/apps.py
index 5ed06c3dae..739c207b54 100644
--- a/InvenTree/plugin/apps.py
+++ b/InvenTree/plugin/apps.py
@@ -293,7 +293,7 @@ class PluginAppConfig(AppConfig):
             # clear the registry for that app
             # so that the import trick will work on reloading the same plugin
             # -> the registry is kept for the whole lifecycle
-            if models:
+            if models and app_name in apps.all_models:
                 apps.all_models.pop(app_name)
 
         # remove plugin from installed_apps