Fee calculation seems wrong

[pythcoiner]

running quoinstr at ed5036b I got this error at tx finalization, while the iniitiator had start a pool w/ a coin expecting pay 1sat/vb:

[2025-06-16T16:56:58Z DEBUG joinstr::joinstr] JoinstrInner::try_finalize_coinjoin() fail to finalize: FeeTooLow(1, 832, 300)