From 1e0034904ef4d48c860eed083f8c01bc04f4178b Mon Sep 17 00:00:00 2001
From: Luke Campagnola <luke.campagnola@gmail.com>
Date: Mon, 5 May 2014 11:16:00 -0400
Subject: [PATCH] Initialize drag variable in Dock.py

---
 pyqtgraph/dockarea/Dock.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/pyqtgraph/dockarea/Dock.py b/pyqtgraph/dockarea/Dock.py
index d3cfcbb6..99808eee 100644
--- a/pyqtgraph/dockarea/Dock.py
+++ b/pyqtgraph/dockarea/Dock.py
@@ -244,6 +244,7 @@ class DockLabel(VerticalLabel):
     sigClicked = QtCore.Signal(object, object)
     
     def __init__(self, text, dock):
+        self.startedDrag = False
         self.dim = False
         self.fixedWidth = False
         VerticalLabel.__init__(self, text, orientation='horizontal', forceWidth=False)