I ran into this while changing the default branch for a bunch of projects when debian-installer moved to git. The workaround (thanks to leonardr) was to do '_ = focus.name' before trying to set focus.branch (where focus was a project_series object).
I ran into this while changing the default branch for a bunch of projects when debian-installer moved to git. The workaround (thanks to leonardr) was to do '_ = focus.name' before trying to set focus.branch (where focus was a project_series object).