structuredAttrs is enabled

trying https://github.com/can1357/oh-my-pi/archive/refs/tags/v17.1.3.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 39.81M   0 39.81M   0      0 10.74M      0           00:03         11.05M
unpacking source archive /nix/var/nix/builds/nix-19338-4005812976/download.tar.gz