How to get an encryption key from file

I'm trying to get the encryption key from Google Chrome and I get an error saying:

line 13, in find_crypt
print(encrypt['encryption_key'])
KeyError: 'encryption_key'

The code is:

from genericpath import exists
import win32crypt
import json
import os

def find_crypt(path):
    path = path.replace('\Default', '')
    
    for file in os.listdir(path):
        if file == 'Local State':
            f = open('{0}\\{1}'.format(path, file), 'r', encoding='utf-8')
            encrypt = json.load(f)
            print(encrypt['encryption_key'])

def find_passwords(path):
    for file in os.listdir(path):
        if file == 'Login Data':
                pass

def main():
    local = os.getenv('LocalAppData')
    roaming = os.getenv('AppData')

    directories = {
        'chrome' : local + '\\Google\\Chrome\\User Data\\Default'
    }

    for name, directory in directories.items():
        if not os.path.exists(directory):
            continue
        else:
            find_crypt(directory)
            find_passwords(directory)

if __name__ == '__main__':
    main()

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