INSTRUCTOR POST - Transparent Graph Editor

Make a Python button with this command

import maya.cmds as cmds
import maya.OpenMayaUI as mui
import shiboken
import maya.mel as mel
from PySide import QtGui
mel.eval('GraphEditor')
def get_graphEditor():
ptr2 = mui.MQtUtil.findLayout("graphEditor1Window|TearOffPane")
return shiboken.wrapInstance(long(ptr2), QtGui.QWidget)
graphEditor = get_graphEditor()
graphEditor.setWindowOpacity(0.7)
def ref(value):
graphEditor.setWindowOpacity(value)
cmds.floatSlider(p="graphEditor1Window|TearOffPane|graphEditor1",

min=0.1, max=1.0, v=0.7, dc=lambda x:ref(x))

enjoy!