structuredAttrs is enabled

trying https://files.pythonhosted.org/packages/e8/2d/d2a548598be01649e2d46231d151a6c56d10b964d94043a335ae56ea2d92/flatbuffers-25.12.19-py2.py3-none-any.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  26661 100  26661   0      0 556.6k      0                              0
100  26661 100  26661   0      0 556.1k      0                              0
100  26661 100  26661   0      0 555.7k      0                              0