from sigi.apps.servicos.models import TipoServico

pm = TipoServico.objects.first()
res = sorted(
    [
        (
            p.casa_legislativa.municipio.uf,
            p.casa_legislativa.municipio.nome,
            p.url,
        )
        for p in pm.servico_set.all()
    ]
)

with open("/tmp/pm.csv", "w+") as f:
    for uf, cid, url in res:
        f.write(("%s,%s,%s" % (uf.nome, cid, url) + "\n").encode("utf-8"))