def prepare_target_users(self, review_request):
        pks = list(review_request.target_people.values_list('pk', flat=True))

        return pks or [0]
Matches Add/Mul "pattern" to an expression "expr".
dataset/ETHPy150Open reviewboard/reviewboard/reviewboard/reviews/search_indexes.py/ReviewRequestIndex.prepare_target_users--crossover with--dataset/ETHPy150Open sympy/sympy/sympy/core/operations.py/AssocOp._matches_commutative