Description of problem:
Had this crash report after upgrading to Fedora 25 and rebooting the PC.

Version-Release number of selected component:
mintmenu-5.6.5-4.fc24

Additional info:
reporter:       libreport-2.8.0
cmdline:        /usr/bin/python2 /usr/share/linuxmint/mintMenu/mintMenu.py
dso_list:       python-gobject-base-3.22.0-1.fc25.x86_64
executable:     /usr/share/linuxmint/mintMenu/mintMenu.py
kernel:         4.8.8-300.fc25.x86_64
pkg_fingerprint: 73BD E983 81B4 6521
pkg_vendor:     Fedora Project
runlevel:       N 5
type:           Python
uid:            1000

Truncated backtrace:
importer.py:140:load_module:ImportError: Requiring namespace 'Gtk' version '3.0', but '2.0' is already loaded

Traceback (most recent call last):
  File "/usr/share/linuxmint/mintMenu/mintMenu.py", line 7, in <module>
    from gi.repository import MatePanelApplet
  File "/usr/lib64/python2.7/site-packages/gi/importer.py", line 140, in load_module
    raise ImportError(e)
ImportError: Requiring namespace 'Gtk' version '3.0', but '2.0' is already loaded

Local variables in innermost frame:
stacklevel: 4
e: RepositoryError("Requiring namespace 'Gtk' version '3.0', but '2.0' is already loaded",)
self: <gi.importer.DynamicImporter object at 0x7fe89169d050>
namespace: 'MatePanelApplet'
path: 'gi.repository'
fullname: 'gi.repository.MatePanelApplet'