Which version of scrypt_kdf is it?

[emelendez89]

Traceback (most recent call last):
File "C:<...>\brute.py", line 22, in
derived_key = scrypt_kdf(password, salt, r, p, n, dklen)[16:32]
File "C:\Program Files\Python39\lib\site-packages\multikdf-0.1.32-py3.9.egg\multikdf\scrypt.py", line 53, in scrypt_kdf
return hash(i=i, s=s, N=(2**n), r=r, p=p, buflen=kl)
File "C:\Program Files\Python39\lib\site-packages\multikdf-0.1.32-py3.9.egg\multikdf\scrypt.py", line 33, in hash
lib.crypto_scrypt(i, len(i), s, len(s), N, r, p, buf, buflen)
File "C:<...>\AppData\Roaming\Python\Python39\site-packages\cffi_utils\sowrapper.py", line 151, in getattr
return self.getattribute(name)
AttributeError: 'SharedLibWrapper' object has no attribute 'crypto_scrypt'