structuredAttrs is enabled

trying https://files.pythonhosted.org/packages/be/e4/cdda14023c316d71493bc54fdffc3dd006631b88866145c9d3cc33e0f1df/sse_starlette-3.5.0-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  17407 100  17407   0      0 668.8k      0                              0
100  17407 100  17407   0      0 665.3k      0                              0
100  17407 100  17407   0      0 663.3k      0                              0