cryptography AES in python

crypt.py

from Crypto.Hash import SHA512
from Crypto.Cipher import AES

class CryptKey():
    def __init__(self, password):
        self.password = password
        cipher_text = ""
        decryption_suite = ""

    def encryption(self):
    # Encryption
        passwordSHA = SHA512.new(self.password).hexdigest()
        encryption_suite = AES.new('This is a key123', AES.MODE_CBC, 'This is an IV456')
        self.cipher_text = encryption_suite.encrypt(passwordSHA)
        return self.cipher_text

    def decryption(self):
        # Decryption
        decryption_suite = AES.new('This is a key123', AES.MODE_CBC, 'This is an IV456')
        plain_text = decryption_suite.decrypt(self.cipher_text)
        return SHA512.new(self.password).hexdigest() == plain_text