I wanna use scikit-learn. I have typed pip install -U scikit-learn pip3 install sklearn to install it; but when i type $ Python >>> import sklearn it returns ImportError: No module named sklearn I followed other tutorials, but it doesn't work. Furthermore, my enviroment returns this warning: If you have installed scikit-learn from source, please do not forget to build the package before using it: run python setup.py install or make in the source directory. What is the true code to type in the terminal? I tried to type python setup.py installin the terminal but it doesn't work Continue reading...