local f=CreateFrame("frame");
local function eventhandler(self,event,...)
	local arg = ...;
	if((arg==SPELL_FAILED_NOT_MOUNTED or arg==ERR_TAXIPLAYERALREADYMOUNTED) and (GetCVarBool("autoDismountFlying")==1 or IsFlying()==nil)) then
		Dismount();
	end
end
f:RegisterEvent("UI_ERROR_MESSAGE");
f:SetScript("OnEvent",eventhandler);