structuredAttrs is enabled

trying https://files.pythonhosted.org/packages/py3/s/semble_grammars/semble_grammars-0.1.2-py3-none-manylinux2014_x86_64.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  6.58M 100  6.58M   0      0 30.04M      0                              0