Cache a ModelChoiceField queryset in a FormSet

Hi,

I am using a ModelChoiceField in a simple FormSet (not a ModelFormSet). When rendering the FormSet, Django duplicates the ModelChoiceField queryset for each row of the FormSet and repeats the same query multiple times to fill the select boxes. Is there a standard solution to cache the ModelChoiceField queryset after the first query and re-use it for the rows 2 to N ?

I have found these solutions or this one, but they look like ugly hacks to me.

Any help appreciated!

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