pip install -U PACKAGENAME --user
With --user they are installed in your $HOME directory in:
$HOME/.local/lib/python2.7/site-packages
Using sudo your package will be installed in:
/usr/local/lib/python2.7/dist-packages/
pip install -U PACKAGENAME --user
With --user they are installed in your $HOME directory in:
$HOME/.local/lib/python2.7/site-packages
Using sudo your package will be installed in:
/usr/local/lib/python2.7/dist-packages/