'Anything not a byte string should raise a TypeError'

def test_is_equal_non_bytes(self):

    self.assertRaises(TypeError, self.vault_cipher._is_equal, u'One    fish', 'two    fish')
    self.assertRaises(TypeError, self.vault_cipher._is_equal, 'One    fish', u'two    fish')
    self.assertRaises(TypeError, self.vault_cipher._is_equal, 1, 'red    fish')
    self.assertRaises(TypeError, self.vault_cipher._is_equal, 'blue    fish', 2)
