To install a Python package on Macintosh

1. Download the Python package to your workstation,
2. Unpack the package,
3. Open a terminal window,
4. Start sudo,

   sudo -i

5. Change to the directory of the package,
6. Install the package.

   pip install PACKAGE_NAME

If you don’t install the package in sudo mode, you will get “Permission denied” errors during the package installation.