From 001d91c2f2b2aea66b0259590373f29db5dbec5c Mon Sep 17 00:00:00 2001
From: Ogi <ognyan.moore@gmail.com>
Date: Thu, 11 Jun 2020 22:56:20 -0700
Subject: [PATCH] Implement PR160 - clear current SpotItems

---
 pyqtgraph/graphicsItems/ScatterPlotItem.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/pyqtgraph/graphicsItems/ScatterPlotItem.py b/pyqtgraph/graphicsItems/ScatterPlotItem.py
index 5bbdffe7..63dc61cb 100644
--- a/pyqtgraph/graphicsItems/ScatterPlotItem.py
+++ b/pyqtgraph/graphicsItems/ScatterPlotItem.py
@@ -379,6 +379,9 @@ class ScatterPlotItem(GraphicsObject):
             kargs['y'] = []
             numPts = 0
 
+        ## Clear current SpotItems since the data references they contain will no longer be current
+        self.data['item'][...] = None
+
         ## Extend record array
         oldData = self.data
         self.data = np.empty(len(oldData)+numPts, dtype=self.data.dtype)