menulibre error

$ menulibre
Traceback (most recent call last):
  File "<frozen importlib._bootstrap>", line 890, in _find_spec
AttributeError: 'DynamicImporter' object has no attribute 'find_spec'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/bin/menulibre", line 40, in <module>
    import menulibre
  File "/usr/lib/python3.5/site-packages/menulibre/__init__.py", line 23, in <module>
    from menulibre import MenulibreApplication
  File "/usr/lib/python3.5/site-packages/menulibre/MenulibreApplication.py", line 26, in <module>
    from . import MenulibreTreeview, MenulibreHistory, Dialogs
  File "/usr/lib/python3.5/site-packages/menulibre/MenulibreTreeview.py", line 23, in <module>
    from . import MenuEditor, MenulibreXdg, XmlMenuElementTree, util
  File "/usr/lib/python3.5/site-packages/menulibre/MenuEditor.py", line 28, in <module>
    from gi.repository import GdkPixbuf, Gio, GLib, GMenu, Gtk
  File "/usr/lib/python3.5/site-packages/gi/importer.py", line 145, in find_module
    'introspection typelib not found' % namespace)
ImportError: cannot import name GMenu, introspection typelib not found