def plot_line(axes, fname, ltype):
    """plot the ecliptic plane line on the given axes."""
    x = np.genfromtxt(fname, unpack=True)
    axes.plot(x[0], x[1], ltype)
def plot_line ( axes , fname , ltype ) : x = np . genfromtxt ( fname , unpack = True ) axes . plot ( x [ 0 ] , x [ 1 ] , ltype )
plot the ecliptic plane line on the given axes.