890f83b radiusproxy plugin: Use str(error) rather than error.message

1 file Authored by pviktori 7 years ago, Committed by mbasti 7 years ago,
    radiusproxy plugin: Use str(error) rather than error.message
    
    In Python 3, the "message" attribute has been removed in favor of
    calling str() on the error.
    
    Part of the work for https://fedorahosted.org/freeipa/ticket/4985
    
    Reviewed-By: Martin Basti <mbasti@redhat.com>
    Reviewed-By: Petr Spacek <pspacek@redhat.com>