Traceback (most recent call last):
File "/usr/share/cinnamon/cinnamon-settings/modules/cs_user.py", line 4, in <module>
import pam
File "/usr/lib/python3.8/site-packages/pam.py", line 30, in <module>
from ctypes import CDLL, POINTER, Structure, CFUNCTYPE, cast, byref, sizeof
File "/usr/lib/python3.8/ctypes/__init__.py", line 7, in <module>
from _ctypes import Union, Structure, Array
ImportError: libffi.so.7: cannot open shared object file: No such file or directory
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "/usr/share/cinnamon/cinnamon-settings/
cinnamon-settings.py", line 726, in <module>
window = MainWindow()
File "/usr/share/cinnamon/cinnamon-settings/
cinnamon-settings.py", line 309, in
init for module in modules:
File "/usr/share/cinnamon/cinnamon-settings/modules/cs_user.py", line 7, in <module>
import PAM
ModuleNotFoundError: No module named 'PAM'