Hi, while upstream has closed the according issue #837 I was running into a different error which is not connected to pandas but probably connected to the change of the test framework (python3-pytest was requested). When trying to build I was running into
... dh_auto_test -O--buildsystem=pybuild pybuild --test --test-pytest -i python{version} -p "3.9 3.8" I: pybuild pybuild:284: cp -r /build/python-biom-format-2.1.9/examples /build/python-biom-format-2.1.9/.pybuild/cpython3_3.9_biom-format/build I: pybuild base:232: cd /build/python-biom-format-2.1.9/.pybuild/cpython3_3.9_biom-format/build; python3.9 -m pytest ERROR: usage: pytest.py [options] [file_or_dir] [file_or_dir] [...] pytest.py: error: unrecognized arguments: --cov=biom inifile: /build/python-biom-format-2.1.9/pytest.ini rootdir: /build/python-biom-format-2.1.9 E: pybuild pybuild:353: test: plugin distutils failed with: exit code=4: cd /build/python-biom-format-2.1.9/.pybuild/cpython3_3.9_biom-format/build; python3.9 -m pytest I: pybuild pybuild:284: cp -r /build/python-biom-format-2.1.9/examples /build/python-biom-format-2.1.9/.pybuild/cpython3_3.8_biom-format/build I: pybuild base:232: cd /build/python-biom-format-2.1.9/.pybuild/cpython3_3.8_biom-format/build; python3.8 -m pytest ERROR: usage: pytest.py [options] [file_or_dir] [file_or_dir] [...] pytest.py: error: unrecognized arguments: --cov=biom inifile: /build/python-biom-format-2.1.9/pytest.ini rootdir: /build/python-biom-format-2.1.9 E: pybuild pybuild:353: test: plugin distutils failed with: exit code=4: cd /build/python-biom-format-2.1.9/.pybuild/cpython3_3.8_biom-format/build; python3.8 -m pytest rm -fr -- /tmp/dh-xdg-rundir-cbDKiY_1 dh_auto_test: error: pybuild --test --test-pytest -i python{version} -p "3.9 3.8" returned exit code 13 make: *** [debian/rules:19: binary] Error 25 Any help is welcome - feel free to upload yourself if you find a fix Andreas. [1] https://github.com/biocore/biom-format/issues/837 -- http://fam-tille.de