From d7f9b6d2239925f82e0df43b2b481362a8338f1e Mon Sep 17 00:00:00 2001
From: Importance of Being Ernest <elch.rz@ruetz-online.de>
Date: Mon, 21 Aug 2017 12:11:42 +0200
Subject: [PATCH] Using `canvas.draw_idle()` inside `plt.pause`

Instead of `canvas.draw()` we may use `canvas.draw_idle()` inside `plt.pause`. In general using `draw_idle()` has several advantages over `draw()`, so one might also use it here.
---
 lib/matplotlib/pyplot.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/matplotlib/pyplot.py b/lib/matplotlib/pyplot.py
index 1b694498e62d..5c78047db80b 100644
--- a/lib/matplotlib/pyplot.py
+++ b/lib/matplotlib/pyplot.py
@@ -294,7 +294,7 @@ def pause(interval):
         if figManager is not None:
             canvas = figManager.canvas
             if canvas.figure.stale:
-                canvas.draw()
+                canvas.draw_idle()
             show(block=False)
             canvas.start_event_loop(interval)
             return