How to use the harvesters._private.core.helper.system.is_running_on_macos function in harvesters

def on_mouse_wheel(self, event):
        self._translate += event.delta[1]
        power = 7. if is_running_on_macos() else 5.  # 2 ** exponent
        stride = 4. if is_running_on_macos() else 7.
        translate = self._translate
        translate = min(power * stride, translate)
        translate = max(-power * stride, translate)
        self._translate = translate
        self._magnification = 2 ** -(self._translate / stride)
        if self._latest_translate != self._translate:
            self.apply_magnification()
            self._latest_translate = self._translate

def on_mouse_move(self, event):
        if self._is_dragging:
            adjustment = 2. if is_running_on_macos() else 1.
            ratio = self._magnification * adjustment
            delta = event.pos - self._origin
            self._origin = event.pos
            self._coordinate[0] -= (delta[0] * ratio)
            self._coordinate[1] += (delta[1] * ratio)
            self.apply_magnification()

def on_mouse_wheel(self, event):
        self._translate += event.delta[1]
        power = 7. if is_running_on_macos() else 5.  # 2 ** power
        stride = 4. if is_running_on_macos() else 7.
        translate = self._translate
        translate = min(power * stride, translate)
        translate = max(-power * stride, translate)
        self._translate = translate
        self._magnification = 2 ** -(self._translate / stride)
        if self._latest_translate != self._translate:
            self.apply_magnification()
            self._latest_translate = self._translate

def on_mouse_move(self, event):
        if self._is_dragging:
            adjustment = 2. if is_running_on_macos() else 1.
            ratio = self._magnification * adjustment
            delta = event.pos - self._origin
            self._origin = event.pos
            self._coordinate[0] -= (delta[0] * ratio)
            self._coordinate[1] += (delta[1] * ratio)
            self.apply_magnification()

def on_mouse_wheel(self, event):
        self._translate += event.delta[1]
        power = 7. if is_running_on_macos() else 5.  # 2 ** power
        stride = 4. if is_running_on_macos() else 7.
        translate = self._translate
        translate = min(power * stride, translate)
        translate = max(-power * stride, translate)
        self._translate = translate
        self._magnification = 2 ** -(self._translate / stride)
        if self._latest_translate != self._translate:
            self.apply_magnification()
            self._latest_translate = self._translate

def on_mouse_move(self, event):
        if self._is_dragging:
            adjustment = 2. if is_running_on_macos() else 1.
            ratio = self._magnification * adjustment
            delta = event.pos - self._origin
            self._origin = event.pos
            self._coordinate[0] -= (delta[0] * ratio)
            self._coordinate[1] += (delta[1] * ratio)
            self.apply_magnification()

def on_mouse_wheel(self, event):
        self._translate += event.delta[1]
        power = 7. if is_running_on_macos() else 5.  # 2 ** exponent
        stride = 4. if is_running_on_macos() else 7.
        translate = self._translate
        translate = min(power * stride, translate)
        translate = max(-power * stride, translate)
        self._translate = translate
        self._magnification = 2 ** -(self._translate / stride)
        if self._latest_translate != self._translate:
            self.apply_magnification()
            self._latest_translate = self._translate