Multiple periods for wind roses in V1.3

I’m running into an issue trying to print multiple wind roses in a grid, as in Grid of Monthly Wind Roses

In V1.3, when providing a list of periods to the wind rose component, it throws an error about the ‘list’ object not having a ‘timestep’ when I change the period_ input to list access. With item access it works, but gives me 144 windroses instead of 12 (since it is running all 12 periods for each of the 12 center pts I am providing it).

What happens if you graft the period input?

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Ah, that seems to have solved it (though I swear I tried that before - perhaps I just didn’t give it enough time to compute before changing it again).

Thanks for your help!