Bug#976569: numcodecs: FTBFS: dh_auto_test: error: pybuild --test --test-pytest -i python{version} -p "3.8 3.9" returned exit code 13

Dear Lucas, after a quick check to the build logs it seems to me that the problem is that libblosc1 no longer provides the snappy based coded (although it seems to be enabled at build time). Please find below the relevant part of the control files of the binary packages for libblosc1 1.17.1+ds1-1

Bug#976569: numcodecs: FTBFS: dh_auto_test: error: pybuild --test --test-pytest -i python{version} -p "3.8 3.9" returned exit code 13

Source: numcodecs Version: 0.7.2+ds-1 Severity: serious Justification: FTBFS on arm64 Tags: bullseye sid ftbfs Usertags: ftbfs-20201205 ftbfs-bullseye Hi, During a rebuild of all packages in sid, your package failed to build on arm64 (I don't know if it also fails on amd64). Relevant part