From 937e3420e2be2a87582a6d509731c297b40bdfa4 Mon Sep 17 00:00:00 2001
From: Luke Campagnola <luke.campagnola@gmail.com>
Date: Tue, 5 Jun 2018 15:20:15 -0700
Subject: [PATCH] Don't store `children` key in Parameter.opts (closes #494,
 fixes #493)

---
 pyqtgraph/parametertree/Parameter.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pyqtgraph/parametertree/Parameter.py b/pyqtgraph/parametertree/Parameter.py
index e28085bf..be77c9ff 100644
--- a/pyqtgraph/parametertree/Parameter.py
+++ b/pyqtgraph/parametertree/Parameter.py
@@ -180,7 +180,7 @@ class Parameter(QtCore.QObject):
             raise Exception("Parameter must have a string name specified in opts.")
         self.setName(name)
         
-        self.addChildren(self.opts.get('children', []))
+        self.addChildren(self.opts.pop('children', []))
         
         self.opts['value'] = None
         if value is not None: