Merge pull request #15423 from meeseeksmachine/auto-backport-of-pr-15422-on-v2.2.x

jklymak · web-flow · commit eda29e1e8d97 · 2019-10-16T07:07:28.000-07:00
Backport PR #15422 on branch v2.2.x (FIX: typo in attribute lookup)
diff --git a/lib/matplotlib/backends/backend_qt5.py b/lib/matplotlib/backends/backend_qt5.py
@@ -507,7 +507,7 @@ def draw_idle(self):
         # accumulate multiple draw requests from event handling.
         # TODO: queued signal connection might be safer than singleShot
         if not (getattr(self, '_draw_pending', False) or
-                getattr(self, '._is_drawing', False)):
+                getattr(self, '_is_drawing', False)):
             self._draw_pending = True
             QtCore.QTimer.singleShot(0, self._draw_idle)
 
