I installed Nose on a Mac OSX 10.10.5 with Python2.7.9 using easy_install. The installation appeared to be successful:
easy_install
Collecting nose Downlo
I try to reinstall the pip, it doesn't work but lastly, when i use sudo ...it works
pip3 uninstall nose sudo pip3 install nose
pip3 uninstall nose
sudo pip3 install nose
and
which nosetests /usr/local/bin/nosetests
which nosetests
/usr/local/bin/nosetests