Director call not working

[vizmaster]

I make the following call:

viz.director(VR1.WaitRun)

class room:
	def WaitRun():
		viz.waittime(3)

VR1 = room()

gives me: TypeError: WaitRun() takes no arguments (1 given)

How am I giving it an argurment?

[vizmaster]

Found out I did not declare WaitRun correctly, should be:
def WaitRun(self):