tray module allows you to create an icon in the
        operating system's notification area.
      This icon can also have a context menu attached.
Open the full API documentation in your browser.
              On Linux distributions that only have app indicator support, users
              will need to install libappindicator1 to make the
              tray icon work. See the
              
                full API documentation
              
              for more details about using Tray on Linux.