a5da3f075e
If we leave the value has as the result of b64decode(), we end up with a bytes-like object that gets serialized into our zuul.conf as b'.....', which is likely not what we actually want. Instead, assume this is a utf-8 encoded value and decode it that way. Change-Id: Ie61ad82c022888000e72bedfea99123dda34d5c0