From fe636ade048898efbc8ea6ae9982d7556730063f Mon Sep 17 00:00:00 2001
From: "vn.py" <vn.py@foxmail.com>
Date: Tue, 27 Mar 2018 10:10:00 +0800
Subject: [PATCH] =?UTF-8?q?[Add]=E5=A2=9E=E5=8A=A0=E5=AF=B9pyqtSignal?=
 =?UTF-8?q?=E7=9A=84=E7=89=88=E6=9C=AC=E5=85=BC=E5=AE=B9=E5=A4=84=E7=90=86?=
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---
 vnpy/trader/uiQt.py | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/vnpy/trader/uiQt.py b/vnpy/trader/uiQt.py
index b6af0a13..c31e2bce 100644
--- a/vnpy/trader/uiQt.py
+++ b/vnpy/trader/uiQt.py
@@ -7,6 +7,11 @@ from qtpy import QtWidgets, QtGui, QtCore
 from vnpy.trader.vtGlobal import globalSetting
 from vnpy.trader.vtFunction import loadIconPath
 
+
+if not hasattr(QtCore, 'pyqtSignal'):
+    QtCore.pyqtSignal = QtCore.Signal
+
+
 BASIC_FONT = None
 try:
     family = globalSetting['fontFamily']