structuredAttrs is enabled

trying https://files.pythonhosted.org/packages/source/r/ruamel.yaml/ruamel.yaml-0.17.40.tar.gz
  % Total    % Received % Xferd  Average Speed  Time    Time    Time   Current
                                 Dload  Upload  Total   Spent   Left   Speed
  0      0   0      0   0      0      0      0                              0
100 134.4k 100 134.4k   0      0 620.3k      0                              0