当我输入以下内容时，我在终端上收到此消息/usr/bin/update-manager：
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/update-manager", line 28, in <module>
from gi.repository import Gtk
File "/usr/lib/python3/dist-packages/gi/importer.py", line 127, in find_module
'introspection typelib not found' % namespace)
ImportError: cannot import name Gtk, introspection typelib not found.
当我输入时
software-properties-gtk，我收到以下消息：
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/software-properties-gtk", line 37, in <module>
from softwareproperties.gtk.SoftwarePropertiesGtk import SoftwarePropertiesGtk
File "/usr/lib/python3/dist-packages/softwareproperties/gtk/SoftwarePropertiesGtk.py", line 40, in <module>
from gi.repository import GObject, Gdk, Gtk, Gio, GLib
File "/usr/lib/python3/dist-packages/gi/importer.py", line 127, in find_module
'introspection typelib not found' % namespace)
ImportError: cannot import name Gdk, introspection typelib not found