structuredAttrs is enabled

trying https://github.com/can1357/oh-my-pi/archive/refs/tags/v17.2.1.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 40.82M   0 40.82M   0      0  9.27M      0           00:04          9.43M
unpacking source archive /nix/var/nix/builds/nix-55206-3352485070/download.tar.gz