> From: Pablo Bianucci
> Now it is as easy (and intuitive, I'd say) as this:
> 
> ===
> tr = c_float()
> piezo1.GetMaxTravel(APTPiezoLib.CHAN1_ID, pointer(tr))
> ===

I'm curious as to any reasons to prefer the above instead of

===
tr = c_float()
piezo1.GetMaxTravel(APTPiezoLib.CHAN1_ID, byref(tr))
===

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