Fix deserialization of Association
Fix deserialization of Association

It returned the 'secret' field, which should be str, as bytes.

moreati/python3-openid,moreati/python3-openid,misli/python3-openid,moreati/python3-openid,isagalaev/sm-openid,necaris/python3-openid,misli/python3-openid,necaris/python3-openid,misli/python3-openid