def __init__(self, parent=None, az_el=None):
    super(control_button_frame, self).__init__()
    self.parent = parent
    self.az_el = az_el
    self.initUI()
def __init__(self, parent=None, az_el=None):
    super(control_button_frame, self).__init__()
    self.parent = parent
    self.az_el = az_el
    self.initUI()