def reset(self):
    self.ab_map = None
    self.mask = None
    self.color = None
    self.lab = None
    self.pos = None
    self.mouseClicked = False
    self.update()
def reset(self):
    self.ab_map = None
    self.mask = None
    self.color = None
    self.lab = None
    self.pos = None
    self.mouseClicked = False
    self.update()