content: from Crypto.Cipher import AES
  from Crypto import Random
  
  from . import CryptoMaterialsCacheEntry
  
  
  def test_pycrypto():
      key = b'Sixteen byte key'
      iv = Random.new().read(AES.block_size)
      cipher = pycrypto_arc2.new(key, AES.MODE_CFB, iv)
      factory = CryptoMaterialsCacheEntry()
  