Remove redundant angles in ellipse demo.

QuLogic · QuLogic · commit 5d74edb37fa8 · 2020-08-24T20:06:50.000-04:00
Since ellipses are 180°-symmetric, they're actually overplotted twice (and 3 times for 0° before #16109.)
diff --git a/examples/shapes_and_collections/ellipse_demo.py b/examples/shapes_and_collections/ellipse_demo.py
@@ -47,7 +47,7 @@
 from matplotlib.patches import Ellipse
 
 angle_step = 45  # degrees
-angles = np.arange(0, 360, angle_step)
+angles = np.arange(0, 180, angle_step)
 
 ax = plt.subplot(aspect='equal')
 
