mate-menu.py crashed with TypeError in on_drag_data_get(): Item 0: Must be number, not str

[albert]

Brisk Menu crashed

ProblemType: Crash
DistroRelease: Ubuntu 20.04
Package: mate-menu 20.04.2-0ubuntu1
ProcVersionSignature: Ubuntu 5.4.0-21.25-generic 5.4.27
Uname: Linux 5.4.0-21-generic x86_64
ApportVersion: 2.20.11-0ubuntu22
Architecture: amd64
Date: Sun Apr 5 21:07:30 2020
ExecutablePath: /usr/lib/mate-menu/mate-menu.py
InstallationDate: Installed on 2020-04-05 (0 days ago)
InstallationMedia: Ubuntu-MATE 20.04 LTS "Focal Fossa" - Beta amd64 (20200402)
InterpreterPath: /usr/bin/python3.8
PackageArchitecture: all
ProcCmdline: mate-menu
ProcEnviron:

Python3Details: /usr/bin/python3.8, Python 3.8.2, python3-minimal, 3.8.2-0ubuntu2
PythonArgs: ['/usr/lib/mate-menu/mate-menu.py']
PythonDetails: N/A
SourcePackage: mate-menu
Title: mate-menu.py crashed with TypeError in on_drag_data_get(): Item 0: Must be number, not str
Traceback:
 Traceback (most recent call last):
   File "/usr/lib/python3/dist-packages/mate_menu/plugins/applications.py", line 1371, in on_drag_data_get
     selection.set(Gdk.SELECTION_CLIPBOARD, 8, str(widget.position))
 TypeError: Item 0: Must be number, not str
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin lxd plugdev sambashare sudo