ImportError: cannot import name 'Fitter' from 'fitter'

[TIANRENK]

trafficstars

But I had pip install fitter.

[cokelaer]

@TIANRENK sorry to see this import error. do you have more information to help you ? What python version did you use (python --version). Do you have a conda environment ? What platform are you using (windows, macosx, linux ?) thanks