DeprecationWarning: PKCS#12 support in pyOpenSSL is deprecated. You should use the APIs in cryptography.

[RabiTahir]

#remove from OpenSSL import crypto from cryptography.hazmat.primitives.serialization import pkcs12

and also new code to handle exception:

    try:
        p12 = pkcs12.load_pkcs12(open(p12FilePath, 'rb').read(), guess.encode('utf8'))
    except ValueError as e:
        p12 = None