Running any certbot command return the same error, not sure what the problem is.
It worked fine a few months ago upon installation
My domain is: godsofdarknessmobile.com
I ran this command:
any command using certbot gives the same output
It produced this output:
Traceback (most recent call last):
File “/usr/bin/certbot”, line 11, in load_entry_point(‘certbot==0.31.0’, ‘console_scripts’, ‘certbot’)()
File “/usr/lib/python3/dist-packages/pkg_resources/init.py”, line 480, in load_entry_point
return get_distribution(dist).load_entry_point(group, name)
File “/usr/lib/python3/dist-packages/pkg_resources/init.py”, line 2693, in load_entry_point
return ep.load()
File “/usr/lib/python3/dist-packages/pkg_resources/init.py”, line 2324, in load
return self.resolve()
File “/usr/lib/python3/dist-packages/pkg_resources/init.py”, line 2330, in resolve
module = import(self.module_name, fromlist=[‘name’], level=0)
File “/usr/lib/python3/dist-packages/certbot/main.py”, line 10, in
import josepy as jose
File “/usr/lib/python3/dist-packages/josepy/init.py”, line 44, in
from josepy.interfaces import JSONDeSerializable
File “/usr/lib/python3/dist-packages/josepy/interfaces.py”, line 8, in
from josepy import errors, util
File “/usr/lib/python3/dist-packages/josepy/util.py”, line 4, in
import OpenSSL
File “/usr/lib/python3/dist-packages/OpenSSL/init.py”, line 8, in
from OpenSSL import crypto, SSL
File “/usr/lib/python3/dist-packages/OpenSSL/crypto.py”, line 12, in
from cryptography import x509
File “/usr/lib/python3/dist-packages/cryptography/x509/init.py”, line 8, in
from cryptography.x509.base import (
File “/usr/lib/python3/dist-packages/cryptography/x509/base.py”, line 16, in
from cryptography.x509.extensions import Extension, ExtensionType
File “/usr/lib/python3/dist-packages/cryptography/x509/extensions.py”, line 18, in
from cryptography.hazmat.primitives import constant_time, serialization
File “/usr/lib/python3/dist-packages/cryptography/hazmat/primitives/constant_time.py”, line 9, in
from cryptography.hazmat.bindings._constant_time import lib
ModuleNotFoundError: No module named ‘_cffi_backend’
Error in sys.excepthook:
Traceback (most recent call last):
File “/usr/lib/python3/dist-packages/apport_python_hook.py”, line 63, in apport_excepthook
from apport.fileutils import likely_packaged, get_recent_crashes
File “/usr/lib/python3/dist-packages/apport/init.py”, line 5, in
from apport.report import Report
File “/usr/lib/python3/dist-packages/apport/report.py”, line 30, in
import apport.fileutils
File “/usr/lib/python3/dist-packages/apport/fileutils.py”, line 23, in
from apport.packaging_impl import impl as packaging
File “/usr/lib/python3/dist-packages/apport/packaging_impl.py”, line 24, in
import apt
File “/usr/lib/python3/dist-packages/apt/init.py”, line 23, in
import apt_pkg
ModuleNotFoundError: No module named ‘apt_pkg’
Original exception was:
Traceback (most recent call last):
File “/usr/bin/certbot”, line 11, in
load_entry_point(‘certbot==0.31.0’, ‘console_scripts’, ‘certbot’)()
File “/usr/lib/python3/dist-packages/pkg_resources/init.py”, line 480, in load_entry_point
return get_distribution(dist).load_entry_point(group, name)
File “/usr/lib/python3/dist-packages/pkg_resources/init.py”, line 2693, in load_entry_point
return ep.load()
File “/usr/lib/python3/dist-packages/pkg_resources/init.py”, line 2324, in load
return self.resolve()
File “/usr/lib/python3/dist-packages/pkg_resources/init.py”, line 2330, in resolve
module = import(self.module_name, fromlist=[‘name’], level=0)
File “/usr/lib/python3/dist-packages/certbot/main.py”, line 10, in
import josepy as jose
File “/usr/lib/python3/dist-packages/josepy/init.py”, line 44, in
from josepy.interfaces import JSONDeSerializable
File “/usr/lib/python3/dist-packages/josepy/interfaces.py”, line 8, in
from josepy import errors, util
File “/usr/lib/python3/dist-packages/josepy/util.py”, line 4, in
import OpenSSL
File “/usr/lib/python3/dist-packages/OpenSSL/init.py”, line 8, in
from OpenSSL import crypto, SSL
File “/usr/lib/python3/dist-packages/OpenSSL/crypto.py”, line 12, in
from cryptography import x509
File “/usr/lib/python3/dist-packages/cryptography/x509/init.py”, line 8, in
from cryptography.x509.base import (
File “/usr/lib/python3/dist-packages/cryptography/x509/base.py”, line 16, in
from cryptography.x509.extensions import Extension, ExtensionType
File “/usr/lib/python3/dist-packages/cryptography/x509/extensions.py”, line 18, in
from cryptography.hazmat.primitives import constant_time, serialization
File “/usr/lib/python3/dist-packages/cryptography/hazmat/primitives/constant_time.py”, line 9, in
from cryptography.hazmat.bindings._constant_time import lib
ModuleNotFoundError: No module named ‘_cffi_backend’
My web server is (include version):
nginx 1.14.0
The operating system my web server runs on is (include version):
Ubuntu 18.04.3
My hosting provider, if applicable, is:
Digital Ocean
I can login to a root shell on my machine (yes or no, or I don’t know):
Yes
I’m using a control panel to manage my site (no, or provide the name and version of the control panel):
No
The version of my client is (e.g. output of certbot --version or certbot-auto --version if you’re using Certbot):
Dont know, cant use the command since it gives the error above