Weak auras custom color animation based on stack

[notseamus]

Trying to get a color animation update on stacks. It works except for when the buff goes away, it stays the last color it was. I have a feeling that it is that there is no trigger for losing the buff. Here is what I have. I want it to be red ( 1,0,0,1 ) if lock and load is not active but there is no update to the color after I use the second lock and load.

function(progress, r1, g1, b1, a1, r2, g2, b2, a2)
    local _,_,_,stack = UnitAura("player", "Lock and Load")
    if stack >= 2 then
        return 1,.6,0,1
    elseif stack >= 1 then
        return 1,.4,0,1
    elseif stack == nil then
        return 1,0,0,1
    else
        return 0,0,0,1
    end
end

and here is an import of the aura.

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[Deleted]

You should check for nil first, or else it will throw lua error comparing nil with a number.

function(progress, r1, g1, b1, a1, r2, g2, b2, a2)
    local _,_,_,stack = UnitAura("player", "Lock and Load")
	if stack == nil then
        return 1,0,0,1
    elseif stack >= 2 then
        return 1,.6,0,1
    elseif stack >= 1 then
        return 1,.4,0,1
    else
        return 0,0,0,1
    end
end

[notseamus]

That worked. Thank you.