What is “pygobject3” Package?

GNOME Python bindings (based on GObject Introspection)
For more details: https://live.gnome.org/PyGObject

Installation

• Open Terminal by pressing command+space then type terminal and hit Enter key.
• Install homebrew first.

  ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)" < /dev/null 2> /dev/null

• Install pygobject3.

  brew install pygobject3

Now, use pygobject3!