structuredAttrs is enabled

trying https://github.com/pymupdf/PyMuPDF/archive/refs/tags/1.27.2.3.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 91.01M   0 91.01M   0      0 10.79M      0           00:08          7.99M
unpacking source archive /build/download.tar.gz