decide where transit info is loaded from based on install method

InvenTree/plugin/integration.py

@@ -352,8 +352,13 @@ class IntegrationPluginBase(MixinBase, plugin.InvenTreePlugin):
 
     def set_sign_values(self):
         """add the last commit of the plugins class file into plugins context"""
+        if self.is_package:
+            # is a package - no signing - no commit
+            commit = {}
+        else:
             # fetch git log
             commit = self.get_plugin_commit()
+
         # resolve state
         sign_state = getattr(GitStatus, commit['verified'], GitStatus.N)