matplotlib
diff --git a/‎lib/matplotlib/backends/backend_qt5agg.py
Copy file name to clipboardExpand all lines: lib/matplotlib/backends/backend_qt5agg.py
+3Lines changed: 3 additions & 0 deletions b/‎lib/matplotlib/backends/backend_qt5agg.py
Copy file name to clipboardExpand all lines: lib/matplotlib/backends/backend_qt5agg.py
+3Lines changed: 3 additions & 0 deletions
@@ -172,6 +172,9 @@ def draw_idle(self):
             QtCore.QTimer.singleShot(0, self.__draw_idle_agg)
 
     def __draw_idle_agg(self, *args):
+        if self.height() < 0 or self.width() < 0:
+            self._agg_draw_pending = False
+            return
         try:
             FigureCanvasAgg.draw(self)
             self.update()