chatty module has submodules woes
https://l10n.gnome.org/module/chatty/ shows this right now:
Unable to update branch: [Errno 128] Command: "if [ -e .gitmodules ]; then git submodule update --init; fi", Error: fatal: remote error: upload-pack: not our ref f90289d62cddf416cb2d64a117c97f0a59004444 fatal: Fetched in submodule path 'subprojects/libcmatrix', but it did not contain f90289d62cddf416cb2d64a117c97f0a59004444. Direct fetching of that commit failed.