From d4a4fd7fd5565276dabd7990721210bf9df6dd42 Mon Sep 17 00:00:00 2001
From: Luke Campagnola <lukec@alleninstitute.org>
Date: Wed, 25 Apr 2018 13:04:26 -0700
Subject: [PATCH] fix busy cursor nesting

Prevents permenent busy cursor
---
 pyqtgraph/widgets/BusyCursor.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/pyqtgraph/widgets/BusyCursor.py b/pyqtgraph/widgets/BusyCursor.py
index d99fe589..5fab3358 100644
--- a/pyqtgraph/widgets/BusyCursor.py
+++ b/pyqtgraph/widgets/BusyCursor.py
@@ -18,7 +18,7 @@ class BusyCursor(object):
         BusyCursor.active.append(self)
 
     def __exit__(self, *args):
-        BusyCursor.active.pop(-1)
-        if len(BusyCursor.active) == 0:
+        if self._active:
+            BusyCursor.active.pop(-1)
             QtGui.QApplication.restoreOverrideCursor()
         
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