trampolines_by_id must return dict (follow-up previous commit)
trampolines_by_id must return dict (follow-up previous commit)

spesmilo/electrum,pooler/electrum-ltc,pooler/electrum-ltc,spesmilo/electrum,pooler/electrum-ltc,spesmilo/electrum,spesmilo/electrum,pooler/electrum-ltc