First off, thanks for the mod! Also your arrows look way more readable than regular AFH :)
I noticed that tier 2 mini pumps don't connect to the undergrounds in braided mode. I think "connection_category" is not updated?
I added
if settings.startup["py-braided-pipes"].value then
conn.connection_category = "niobium-pipe"
end
to data-updates.lua:264. Seems to fix it (same for t3 pipes a bit further down). I don't know much about Factorio modding though, so a proper fix might be more involved :)
Cheers
// Zis
