structuredAttrs is enabled

trying https://files.pythonhosted.org/packages/28/b8/5484e7ecf876c031831623efc547edcf94e2e33db4251d17c2d117c18cb0/vercel_headers-0.7.1-py3-none-any.whl
  % Total    % Received % Xferd  Average Speed  Time    Time    Time   Current
                                 Dload  Upload  Total   Spent   Left   Speed
100   3907 100   3907   0      0 103.2k      0                              0