Seems to be the same as https://github.com/Rudd-O/ledgerhelpers/issues/28 but we had fixed this one a while back :-/ I'll take a closer look.
- Bug#1108809: ledgerhelpers: FTBFS randomly: Ass... Santiago Vila
- Bug#1108809: ledgerhelpers: FTBFS randomly... Marcin Owsiany
- Bug#1108809: ledgerhelpers: FTBFS rand... Santiago Vila
- Bug#1108809: ledgerhelpers: FTBFS ... Marcin Owsiany
- Bug#1108809: ledgerhelpers: FT... Marcin Owsiany
- Bug#1108809: ledgerhelper... Santiago Vila
- Bug#1108809: marked as pending in ledgerhe... Marcin Owsiany
- Processed: Bug#1108809 marked as pending i... Debian Bug Tracking System
- Bug#1108809: marked as done (ledgerhelpers... Debian Bug Tracking System
