The entry below was dropped from debian/changelog and I think it's the reason why the BTS thinks this bug is not fixed in 2021.08.1+dfsg-2 in unstable.
dask (2021.01.0+dfsg-1) unstable; urgency=medium [ Diane Trout ] * New upstream release * Fix fake http proxy url as dask's build system parses it * Modify the documentation build process to use local files - Cache copies of yaml files hosted at raw.githubusercontent.com/dask/ in debian/ - Add target to debian/rules to download the files * Update Standards-Version to 4.5.1. No changes needed. * Use Rules-Requires-Root: no * Update to debhelper-compat 13 * Add python-asyncssh-doc as doc dependency * Add link to sphinx_rtd_theme html5shiv.min.js * Use Debian version of js-yaml * Refresh patches * Update use-local-intersphinx to use the local asyncssh docs * Remove pandas-1.1 compatibility patches, resolved upstream * Require a version of sparse that includes SparseArray [ Stefano Rivera ] * Patch: Use youtube-nocookie.com in docs. -- Diane Trout <di...@ghic.org> Thu, 21 Jan 2021 19:51:01 -0800