structuredAttrs is enabled

trying https://files.pythonhosted.org/packages/3d/08/feb9a196269ba7809f44f9117d9e4a601c41c313f6144fd0c337293a5488/msgpack-1.2.3-cp314-cp314-manylinux2014_x86_64.manylinux_2_17_x86_64.manylinux_2_28_x86_64.whl
  % Total    % Received % Xferd  Average Speed  Time    Time    Time   Current
                                 Dload  Upload  Total   Spent   Left   Speed

  0      0   0      0   0      0      0      0                              0
100 451.7k 100 451.7k   0      0  7.79M      0                              0
100 451.7k 100 451.7k   0      0  7.78M      0                              0
100 451.7k 100 451.7k   0      0  7.76M      0                              0