How to use the qtawesome.Spin function in QtAwesome

def _set_loop_icon(self):
        """Set the icon for the loop audio button."""
        if self._loop.isChecked():
            loop_icon = qta.icon(
                'fa5s.redo-alt',
                color=self._active_color,
                color_disabled=self._inactive_color,
                animation=qta.Spin(self._loop)
            )
        else:
            loop_icon = qta.icon(
                'fa5s.redo-alt',
                color=self._active_color,
                color_disabled=self._inactive_color
            )
        self._loop.setIcon(loop_icon)

# Spin icons
        spin_button = QtWidgets.QPushButton(' Spinning icon')
        spin_icon = qta.icon('fa5s.spinner', color='red',
                             animation=qta.Spin(spin_button))
        spin_button.setIcon(spin_icon)

        # Pulse icons
        pulse_button = QtWidgets.QPushButton(' Pulsing icon')
        pulse_icon = qta.icon('fa5s.spinner', color='green',
                              animation=qta.Pulse(pulse_button))
        pulse_button.setIcon(pulse_icon)

        # Stacked spin icons
        stack_spin_button = QtWidgets.QPushButton('Stack spin')
        options = [{'scale_factor': 0.4,
                    'animation': qta.Spin(stack_spin_button)},
                   {'color': 'blue'}]
        stack_spin_icon = qta.icon('ei.asl', 'fa5.square',
                                   options=options)
        stack_spin_button.setIcon(stack_spin_icon)
        stack_spin_button.setIconSize(QtCore.QSize(32, 32))

        # Render a label with this font
        label = QtWidgets.QLabel(chr(0xf19c) + ' ' + 'Label')
        label.setFont(qta.font('fa', 16))

        # Layout
        vbox = QtWidgets.QVBoxLayout()
        widgets = [
            fa5_button,
            fa5s_button,
            fa5b_button,

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}])
        stack_button = QtWidgets.QPushButton(camera_ban, 'Stack')
        stack_button.setIconSize(QtCore.QSize(32, 32))

def __init__(self):
        super(StatusWidget, self).__init__()

        self.button_weird = QtGui.QPushButton(' ready')
        self.button_weird.setObjectName('linkbutton')
        self.spin_icon = qta.icon('fa.spinner', color='red', animation=qta.Spin(self.button_weird))
        self.button_weird.setIcon(self.spin_icon)

        self.label = QtGui.QLabel('busy')
        self.label.setObjectName('small')
        self.label.setStyleSheet('color: {0};'.format(COLOR_PALETTE['primary']))
        self.label_mov = QtGui.QLabel()
        self.movie = QtGui.QMovie('gui/icons/loader-ring.gif')
        self.movie.setScaledSize(QtCore.QSize(20,20))
        self.label_mov.setMovie(self.movie)
        self.movie.start()
        self.label_mov.hide()

        status_layout = QtGui.QHBoxLayout()
        status_layout.addWidget(self.label_mov)
        status_layout.addWidget(self.label)

{'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')

        # Spin icons
        spin_button = QtWidgets.QPushButton(' Spinning icon')
        spin_icon = qta.icon('fa5s.spinner', color='red',
                             animation=qta.Spin(spin_button))
        spin_button.setIcon(spin_icon)

        # Pulse icons
        pulse_button = QtWidgets.QPushButton(' Pulsing icon')
        pulse_icon = qta.icon('fa5s.spinner', color='green',
                              animation=qta.Pulse(pulse_button))
        pulse_button.setIcon(pulse_icon)

        # Stacked spin icons
        stack_spin_button = QtWidgets.QPushButton('Stack spin')
        options = [{'scale_factor': 0.4,
                    'animation': qta.Spin(stack_spin_button)},
                   {'color': 'blue'}]
        stack_spin_icon = qta.icon('ei.asl', 'fa5.square',
                                   options=options)
        stack_spin_button.setIcon(stack_spin_icon)