To uninstall a Python Package follow this tutorial.
1. First step is open Command Line with Administration (Admin) privileges, click How To Launch Command Prompt In Windows 8 >2. In this example, we will uninstall python package zhon. Type this following command and then press Enter on keyboard:
python -m pip uninstall zhon
python -m pip uninstall zhon
3. If ask for confirmation of uninstall deletion proceed is appear, type Y and then press Enter on the keyboard.
Bibliography
https://www.activestate.com/
https://pip.pypa.io/ ( manual ebook )