structuredAttrs is enabled

trying https://files.pythonhosted.org/packages/4a/45/ec96b29162a402fc4c1c5512d114d7b3787b9d1c2ec241d9568b4816ee23/base58-2.1.1-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   5621 100   5621   0      0 181.8k      0                              0
100   5621 100   5621   0      0 181.5k      0                              0
100   5621 100   5621   0      0 181.1k      0                              0