Fix draw recursive loop when resizing figure containing Selector using blit.

ericpre · ericpre · commit 94a2f46f3cf0 · 2021-05-19T12:06:47.000+01:00
diff --git a/lib/matplotlib/widgets.py b/lib/matplotlib/widgets.py
@@ -1737,7 +1737,8 @@ def update_background(self, event):
                 self.canvas.draw()
             self.background = self.canvas.copy_from_bbox(self.ax.bbox)
         if needs_redraw:
-            self.update()
+            for artist in self.artists:
+                self.ax.draw_artist(artist)
 
     def connect_default_events(self):
         """Connect the major canvas events to methods."""
