structuredAttrs is enabled

trying https://files.pythonhosted.org/packages/03/8d/671d81534ea0e2b0e8a121be100020da09eb78861fe3aa8f3ef7dcd3bed1/msgpack-1.2.1-cp311-cp311-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
100 413.9k 100 413.9k   0      0  1.79M      0                              0
100 413.9k 100 413.9k   0      0  1.79M      0                              0
100 413.9k 100 413.9k   0      0  1.79M      0                              0