Ошибка, как решить?

Question

[Werdjill]

#!/usr/bin/env python
# -*- coding: utf-8 -*-
import random
import binascii
import rsa.randnum
from Crypto.Cipher import Salsa20
from cryptography.fernet import Fernet, MultiFernet
import base64
import qrcode
import image
from cryptography.hazmat.backends import default_backend
from cryptography.hazmat.primitives import serialization
from cryptography.hazmat.primitives.asymmetric import rsa
from cryptography.hazmat.backends import default_backend
from cryptography.hazmat.primitives.asymmetric import rsa

print('Now we will create a public and private key for you, are you sure you want to continue?')
yesOrNo = input('Do you want to continue?(Y/N): ')

#if yesOrNo == "N":
    #exit

#cypherText = str.encode(input('Enter text to encrypt: '))



private_key = rsa.generate_private_key(
     public_exponent=65537,
     key_size=2048,
     backend=default_backend()
 )

print(private_key)

Выводит ошибкy , как решить ошибкy бyдy благодарен.