From 8b4db67ae91b91dd7465f69c8b1955d6999f04ef Mon Sep 17 00:00:00 2001
From: Nils Nemitz <nils.nemitz@gmx.de>
Date: Sun, 18 Jul 2021 17:24:55 +0900
Subject: [PATCH] None-check self.label before access

---
 pyqtgraph/graphicsItems/AxisItem.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/pyqtgraph/graphicsItems/AxisItem.py b/pyqtgraph/graphicsItems/AxisItem.py
index 97baebc4..cf98d6ec 100644
--- a/pyqtgraph/graphicsItems/AxisItem.py
+++ b/pyqtgraph/graphicsItems/AxisItem.py
@@ -233,6 +233,10 @@ class AxisItem(GraphicsWidget):
 
         ## Set the position of the label
         nudge = 5
+        if self.label is None: # self.label is set to None on close, but resize events can still occur.
+            self.picture = None
+            return
+            
         br = self.label.boundingRect()
         p = QtCore.QPointF(0, 0)
         if self.orientation == 'left':