(self, scale, velocity)
return self._wda_req('post', '/pinch', data)
Args:
            scale (float): scale must > 0
            velocity (float): velocity must be less than zero when scale is less than 1

        Example:
            pinchIn  -> scale:0.5, velocity: -1
            pinchOut -> scale:2.0, velocity: 1
Args:
            scale (float): scale must > 0
            velocity (float): velocity must be less than zero when scale is less than 1
Args : scale ( float ) : scale must > 0 velocity ( float ) : velocity must be less than zero when scale is less than 1
def pinch(self, scale, velocity):
        """
        Args:
            scale (float): scale must > 0
            velocity (float): velocity must be less than zero when scale is less than 1

        Example:
            pinchIn  -> scale:0.5, velocity: -1
            pinchOut -> scale:2.0, velocity: 1
        """
        data = {'scale': scale, 'velocity': velocity}
        return self._wda_req('post', '/pinch', data)
def pinch ( self , scale , velocity ) : data = { 'scale' : scale , 'velocity' : velocity } return self . _wda_req ( 'post' , '/pinch' , data )