ax.plot(theta, [(1.23) for t in theta], color='#AA5555', linewidth=10)
ax.text(np.pi / 8, 1.25, 'Text')
ax.set_rmax(1.25)
ax.axes.get_xaxis().set_visible(False)
ax.axes.get_yaxis().set_visible(False)
Matplotlib: draw a series of radial lines on PolarAxes