- update to 0.21.7: * Fix NameError when encountering errors during HTTP operation. * Raise exception when default identity can't be found. * Add a dedicated exception class for unresolved deltas. * Support credentials in proxy URL. (Jelmer Vernooij, #1227) * Add ``dulwich.porcelain.for_each_ref``. (Daniele Trifirò) OBS-URL: https://build.opensuse.org/request/show/1131298 OBS-URL: https://build.opensuse.org/package/show/openSUSE:Factory/python-dulwich?expand=0&rev=62