human
Give me a the Python program you requested given the following:
Complete the below
def import_key(client, vault_base_url, key_name, destination=None, key_ops=None, disabled=False, expires=None, not_before=None, tags=None, pem_file=None, pem_password=None, byok_file=None):

    ''''Import a private key. Supports importing base64 encoded private keys from PEM files.
    Supports importing BYOK keys into HSM for premium KeyVaults.'
    '''
assistant
#Here is the Python program you requested.
    from azure.keyvault.models import KeyAttributes, JsonWebKey
    def _to_bytes(hex_string):
        if (len(hex_string) % 2):
            hex_string = '0{}'.format(hex_string)
        return codecs.decode(hex_string, 'hex_codec')
    def _set_rsa_parameters(dest, src):
        conversion_dict = {'modulus': 'n', 'publicExponent': 'e', 'privateExponent': 'd', 'prime1': 'p', 'prime2': 'q', 'exponent1': 'dp', 'exponent2': 'dq', 'coefficient': 'qi'}
        regex = re.compile('([^:\\s]*(:[^\\:)]+\\))|([^:\\s]*(:\\s*[0-9A-Fa-f]{2})+))')
        regex2 = re.compile('(?<=\\(0x{1})([0-9A-Fa-f]*)(?=\\))')
        key_params = crypto.dump_privatekey(crypto.FILETYPE_TEXT, src).decode('utf-8')
        for match in regex.findall(key_params):
            comps = match[0].split(':', 1)
            name = conversion_dict.get(comps[0], None)
            if name:
                value = comps[1].replace('    ', '').replace('\n', '').replace(':', '')
                try:
                    value = _to_bytes(value)
                except Exception:
                    value = _to_bytes(regex2.findall(value)[0])
                setattr(dest, name, value)
    key_attrs = KeyAttributes((not disabled), not_before, expires)
    key_obj = JsonWebKey(key_ops=key_ops)
    if pem_file:
        key_obj.kty = 'RSA'
        logger.info('Reading    %s', pem_file)
        with open(pem_file, 'r') as f:
            pem_data = f.read()
        try:
            pem_password = (str(pem_password).encode() if pem_password else None)
            pkey = crypto.load_privatekey(crypto.FILETYPE_PEM, pem_data, pem_password)
        except crypto.Error:
            raise CLIError('Import    failed:    Unable    to    decrypt    private    key.    --pem-password    may    be    incorrect.')
        except TypeError:
            raise CLIError('Invalid    --pem-password.')
        logger.info('setting    RSA    parameters    from    PEM    data')
        _set_rsa_parameters(key_obj, pkey)
    elif byok_file:
        with open(byok_file, 'rb') as f:
     ...