From 4513ad5ab66c0d9470eaec8cbcb716de1a22a2fb Mon Sep 17 00:00:00 2001
From: Matthias <matthias.mair@oewf.org>
Date: Wed, 17 Nov 2021 02:02:23 +0100
Subject: [PATCH] and this also

---
 InvenTree/plugin/apps.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/InvenTree/plugin/apps.py b/InvenTree/plugin/apps.py
index decbd333d2..5ed06c3dae 100644
--- a/InvenTree/plugin/apps.py
+++ b/InvenTree/plugin/apps.py
@@ -293,7 +293,8 @@ 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
-            apps.all_models.pop(app_name)
+            if models:
+                apps.all_models.pop(app_name)
 
         # remove plugin from installed_apps
         for plugin in settings.INTEGRATION_APPS_PATHS: