sample synchronous encrypt fails

[jhargis]

Same error on linux python 2.7 and os x python 2.7

In [1]: from simplecrypto import encrypt, decrypt, AesKey

In [2]: # `encrypt` and `decrypt` use AES-256.

In [3]: m = encrypt('secret message', 'secret key')
---------------------------------------------------------------------------
UnicodeDecodeError                        Traceback (most recent call last)
<ipython-input-3-31706546d5a4> in <module>()
----> 1 m = encrypt('secret message', 'secret key')

/Library/Python/2.7/site-packages/simplecrypto/key.pyc in encrypt(message, key)
    192     Shortcut for AES256 base64 encryption with string or bytes key.
    193     """
--> 194     return AesKey(to_bytes(key)).encrypt(message)
    195
    196 def decrypt(encrypted_message, key):

/Library/Python/2.7/site-packages/simplecrypto/key.pyc in encrypt(self, message)
     60         the base64 encoded encrypted message.
     61         """
---> 62         return base64(self.encrypt_raw(to_bytes(message)))
     63
     64     def decrypt(self, encrypted_message):

/Library/Python/2.7/site-packages/simplecrypto/formats.pyc in to_base64(message)
     11     Returns the base64 representation of a string or bytes.
     12     """
---> 13     return b64encode(to_bytes(message)).decode('ascii')
     14
     15 def from_base64(message):

/Library/Python/2.7/site-packages/simplecrypto/formats.pyc in to_bytes(message)
     36     """
     37     if isinstance(message, str):
---> 38         return message.encode('utf-8')
     39     else:
     40         return bytes(message)

UnicodeDecodeError: 'ascii' codec can't decode byte 0x9c in position 0: ordinal not in range(128)