用 griddata插值时 'numpy.ndarray' 对象不可调用


zuobiao = np.concatenate((lon,lat),axis=1)
xnew = np.linspace(95,107,500)
ynew = np.linspace(20,29,500)
xnew,ynew = np.meshgrid(xnew,ynew)
grid = griddata(zuobiao, dis, (xnew, ynew), method="linear")
znew = grid(xnew,ynew)
znew 这里因该怎么写才对?