From 60661f586feb3d5ce29c27d6c7e5bcb4c0e19f8e Mon Sep 17 00:00:00 2001
From: KIU Shueng Chuan <nixchuan@gmail.com>
Date: Thu, 13 May 2021 08:23:06 +0800
Subject: [PATCH] fix: QVector3D has no copy constructor

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

diff --git a/pyqtgraph/Vector.py b/pyqtgraph/Vector.py
index a64e8968..8b730533 100644
--- a/pyqtgraph/Vector.py
+++ b/pyqtgraph/Vector.py
@@ -40,6 +40,9 @@ class Vector(QtGui.QVector3D):
                 if len(vals) != 3:
                     raise Exception('Cannot init Vector with sequence of length %d' % len(args[0]))
                 initArgs = vals
+            elif isinstance(args[0], QtGui.QVector3D):
+                # PySide6 6.1 does not accept initialization from QVector3D
+                initArgs = args[0].x(), args[0].y(), args[0].z()
         elif len(args) == 2:
             initArgs = (args[0], args[1], 0)
         QtGui.QVector3D.__init__(self, *initArgs)