From c971997f1a538fde34abc54140d988c746d9357c Mon Sep 17 00:00:00 2001
From: Tyler Goodlet <jgbt@protonmail.com>
Date: Wed, 16 Jun 2021 08:28:11 -0400
Subject: [PATCH] Don't access unset cursor

---
 piker/ui/_editors.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/piker/ui/_editors.py b/piker/ui/_editors.py
index c54a5ddf..7026282d 100644
--- a/piker/ui/_editors.py
+++ b/piker/ui/_editors.py
@@ -122,6 +122,8 @@ class LineEditor:
 
         """
         # chart.setCursor(QtCore.Qt.PointingHandCursor)
+        if not self.chart._cursor:
+            return None
 
         chart = self.chart._cursor.active_plot
         cursor = chart._cursor