MyMod:SetModuleMixins("AceEvent-2.0")
MyModule = MyMod:NewModule("MyModule")

function MyModule:ScheduleTest(...)
	self:ScheduleEvent(self.Announce, 10, self, unpack(arg))
end

function MyModule:UnScheduleTest()
	self:CancelAllScheduledEvents()	
end

function MyModule:Announce(...)
	print(format(unpack(arg)))
end

--Call MyModule:ScheduleTest("some test text")
--then MyModule:UnScheduleTest(), on the 5th alternating call you get
--Line 183, attempt to index local `parent" a nil value