The exception occurs when a user clicks the "Edit properties" item in context menu of applications list. I have opened a pull request on GitHub with the fix.
https://github.com/ubuntu-mate/mate-menu/pull/64 ** Patch added: "64.patch" https://bugs.launchpad.net/ubuntu/+source/mate-menu/+bug/1845816/+attachment/5301769/+files/64.patch -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1845816 Title: mate-menu.py crashed with AttributeError in get_system_item_paths(): '_Environ' object has no attribute 'has_key' To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/mate-menu/+bug/1845816/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs