From 19cf49bc7d5286eb8b0d9a826c1293ba97a120fc Mon Sep 17 00:00:00 2001
From: Luke Campagnola <luke.campagnola@gmail.com>
Date: Thu, 21 Nov 2013 23:29:03 -0500
Subject: [PATCH] fixed context menu handling for non-GraphicsItems

---
 pyqtgraph/GraphicsScene/GraphicsScene.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/pyqtgraph/GraphicsScene/GraphicsScene.py b/pyqtgraph/GraphicsScene/GraphicsScene.py
index 6850371a..3fdd5924 100644
--- a/pyqtgraph/GraphicsScene/GraphicsScene.py
+++ b/pyqtgraph/GraphicsScene/GraphicsScene.py
@@ -525,6 +525,8 @@ class GraphicsScene(QtGui.QGraphicsScene):
             item = item.parentItem()
             if item is None:
                 item = self
+            if not hasattr(item, "getContextMenus"):
+                continue
             subMenus = item.getContextMenus(event) or []
             if isinstance(subMenus, list): ## so that some items (like FlowchartViewBox) can return multiple menus
                 menusToAdd.extend(subMenus)