@classmethod
def from_secret(cls, secret):
if len(secret) == 64:
    return Address(binascii.unhexlify(secret))
elif len(secret) == 32:
    return Address(secret)
    else:
    raise Exception("Secret has to be exactly 32 bytes")

a = Address.from_secret('36E3D037C4B73C3A650AA96F59F4B19DD50DEB5AC71463F74928BCC4DD785EF5')
print a.pub, a.priv