Updating pip3

Fixing the following error:

ModuleNotFoundError: No module named 'numpy.testing.nosetester'

generated by Python import command:

from sklearn import datasets

Not using the right pip version, so upgrade it with:

python3 -m pip install --upgrade pip

Scipy won’t run because of following error:

ImportError: cannot import name 'stats'

so reinstall scipy along with numpy:

pip install --upgrade --force-reinstall scipy