structuredAttrs is enabled

trying https://files.pythonhosted.org/packages/1b/d0/397f9626e711ff749a95d96b7af99b9c566a9bb5129b8e4c10fc4d100304/python_multipart-0.0.22-py3-none-any.whl
  % Total    % Received % Xferd  Average Speed  Time    Time    Time   Current
                                 Dload  Upload  Total   Spent   Left   Speed

  0      0   0      0   0      0      0      0           00:01              0
100  24579 100  24579   0      0  11928      0   00:02   00:02              0
100  24579 100  24579   0      0  11927      0   00:02   00:02              0
100  24579 100  24579   0      0  11927      0   00:02   00:02              0