How to use the qtawesome.IconWidget function in QtAwesome

styling_icon = qta.icon('fa5s.music',
                                active='fa5s.balance-scale',
                                color='blue',
                                color_active='orange')
        music_button = QtWidgets.QPushButton(styling_icon, 'Styling')

        # Toggle
        toggle_icon = qta.icon('fa5s.home', selected='fa5s.balance-scale',
                               color_off='black',
                               color_off_active='blue',
                               color_on='orange',
                               color_on_active='yellow')
        toggle_button = QtWidgets.QPushButton(toggle_icon, 'Toggle')
        toggle_button.setCheckable(True)

        iconwidget = qta.IconWidget()
        spin_icon = qta.icon('mdi.loading', color='red',
                             animation=qta.Spin(iconwidget))
        iconwidget.setIcon(spin_icon)
        iconwidget.setIconSize(QtCore.QSize(32, 32))
        iconwidgetholder = QtWidgets.QWidget()
        lo = QtWidgets.QHBoxLayout()
        lo.addWidget(iconwidget)
        lo.addWidget(QtWidgets.QLabel('IconWidget'))
        iconwidgetholder.setLayout(lo)
        iconwidget2 = qta.IconWidget('mdi.web', color='blue')

        # Stack icons
        camera_ban = qta.icon('fa5s.camera', 'fa5s.ban',
                              options=[{'scale_factor': 0.5,
                                        'active': 'fa5s.balance-scale'},
                                       {'color': 'red', 'opacity': 0.7}])

color_on='orange',
                               color_on_active='yellow')
        toggle_button = QtWidgets.QPushButton(toggle_icon, 'Toggle')
        toggle_button.setCheckable(True)

        iconwidget = qta.IconWidget()
        spin_icon = qta.icon('mdi.loading', color='red',
                             animation=qta.Spin(iconwidget))
        iconwidget.setIcon(spin_icon)
        iconwidget.setIconSize(QtCore.QSize(32, 32))
        iconwidgetholder = QtWidgets.QWidget()
        lo = QtWidgets.QHBoxLayout()
        lo.addWidget(iconwidget)
        lo.addWidget(QtWidgets.QLabel('IconWidget'))
        iconwidgetholder.setLayout(lo)
        iconwidget2 = qta.IconWidget('mdi.web', color='blue')

        # Stack icons
        camera_ban = qta.icon('fa5s.camera', 'fa5s.ban',
                              options=[{'scale_factor': 0.5,
                                        'active': 'fa5s.balance-scale'},
                                       {'color': 'red', 'opacity': 0.7}])
        stack_button = QtWidgets.QPushButton(camera_ban, 'Stack')
        stack_button.setIconSize(QtCore.QSize(32, 32))

        # Stack and offset icons
        saveall = qta.icon('fa5.save', 'fa5.save',
                           options=[{'scale_factor': 0.8,
                                     'offset': (0.2, 0.2),
                                     'color': 'gray'},
                                    {'scale_factor': 0.8}])
        saveall_button = QtWidgets.QPushButton(saveall, 'Stack, offset')