chore(library/coercion): fix style
chore(library/coercion): fix style

levnach/lean,eigengrau/lean,rlewis1988/lean,eigengrau/lean,eigengrau/lean,eigengrau/lean,soonhokong/lean-osx,digama0/lean,avigad/lean,leanprover/lean,c-cube/lean,fpvandoorn/lean,levnach/lean,dselsam/lean,johoelzl/lean,dselsam/lean,leanprover/lean,javra/lean,soonhokong/lean,c-cube/lean,Kha/lean,rlewis1988/lean,dselsam/lean,Kha/lean,leodemoura/lean,soonhokong/lean-windows,rlewis1988/lean,leanprover/lean,fpvandoorn/lean,eigengrau/lean,Kha/lean,fgdorais/lean,fpvandoorn/lean,soonhokong/lean-windows,fpvandoorn/lean2,UlrikBuchholtz/lean,Kha/lean,soonhokong/lean-windows,javra/lean,leanprover-community/lean,soonhokong/lean-osx,soonhokong/lean-osx,UlrikBuchholtz/lean,avigad/lean,fpvandoorn/lean,soonhokong/lean,levnach/lean,leanprover/lean,c-cube/lean,levnach/lean,javra/lean,leanprover-community/lean,digama0/lean,digama0/lean,soonhokong/lean-osx,soonhokong/lean-osx,leanprover-community/lean,dselsam/lean,soonhokong/lean,johoelzl/lean,dselsam/lean,digama0/lean,UlrikBuchholtz/lean,johoelzl/lean,fpvandoorn/lean,Kha/lean,avigad/lean,fpvandoorn/lean2,soonhokong/lean-windows,fpvandoorn/lean2,leodemoura/lean,fpvandoorn/lean2,soonhokong/lean-windows,soonhokong/lean,digama0/lean,leanprover/lean,fgdorais/lean,rlewis1988/lean,leodemoura/lean,dselsam/lean,fgdorais/lean,Kha/lean,fpvandoorn/lean2,johoelzl/lean,c-cube/lean,leanprover/lean,soonhokong/lean,fgdorais/lean,fpvandoorn/lean,javra/lean,fgdorais/lean,avigad/lean,c-cube/lean,leodemoura/lean,johoelzl/lean,leanprover-community/lean,avigad/lean,levnach/lean,leanprover-community/lean,rlewis1988/lean,avigad/lean,leodemoura/lean,leodemoura/lean,rlewis1988/lean,UlrikBuchholtz/lean,leanprover-community/lean,digama0/lean,UlrikBuchholtz/lean,javra/lean,johoelzl/lean,fgdorais/lean