/usr/lib/python3/dist-packages/csb/test/cases/ is in python3-csb 1.2.2+dfsg-2ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python3/dist-packages/csb/test/cases/__init__.py
/usr/lib/python3/dist-packages/csb/test/cases/bio/
/usr/lib/python3/dist-packages/csb/test/cases/bio/__init__.py
/usr/lib/python3/dist-packages/csb/test/cases/bio/fragments/
/usr/lib/python3/dist-packages/csb/test/cases/bio/fragments/__init__.py
/usr/lib/python3/dist-packages/csb/test/cases/bio/hmm/
/usr/lib/python3/dist-packages/csb/test/cases/bio/hmm/__init__.py
/usr/lib/python3/dist-packages/csb/test/cases/bio/io/
/usr/lib/python3/dist-packages/csb/test/cases/bio/io/__init__.py
/usr/lib/python3/dist-packages/csb/test/cases/bio/io/clans/
/usr/lib/python3/dist-packages/csb/test/cases/bio/io/clans/__init__.py
/usr/lib/python3/dist-packages/csb/test/cases/bio/io/cs/
/usr/lib/python3/dist-packages/csb/test/cases/bio/io/cs/__init__.py
/usr/lib/python3/dist-packages/csb/test/cases/bio/io/fasta/
/usr/lib/python3/dist-packages/csb/test/cases/bio/io/fasta/__init__.py
/usr/lib/python3/dist-packages/csb/test/cases/bio/io/hhpred/
/usr/lib/python3/dist-packages/csb/test/cases/bio/io/hhpred/__init__.py
/usr/lib/python3/dist-packages/csb/test/cases/bio/io/mrc/
/usr/lib/python3/dist-packages/csb/test/cases/bio/io/mrc/__init__.py
/usr/lib/python3/dist-packages/csb/test/cases/bio/io/noe/
/usr/lib/python3/dist-packages/csb/test/cases/bio/io/noe/__init__.py
/usr/lib/python3/dist-packages/csb/test/cases/bio/io/procheck/
/usr/lib/python3/dist-packages/csb/test/cases/bio/io/procheck/__init__.py
/usr/lib/python3/dist-packages/csb/test/cases/bio/io/whatif/
/usr/lib/python3/dist-packages/csb/test/cases/bio/io/whatif/__init__.py
/usr/lib/python3/dist-packages/csb/test/cases/bio/io/wwpdb/
/usr/lib/python3/dist-packages/csb/test/cases/bio/io/wwpdb/__init__.py
/usr/lib/python3/dist-packages/csb/test/cases/bio/nmr/
/usr/lib/python3/dist-packages/csb/test/cases/bio/nmr/__init__.py
/usr/lib/python3/dist-packages/csb/test/cases/bio/sequence/
/usr/lib/python3/dist-packages/csb/test/cases/bio/sequence/__init__.py
/usr/lib/python3/dist-packages/csb/test/cases/bio/sequence/alignment/
/usr/lib/python3/dist-packages/csb/test/cases/bio/sequence/alignment/__init__.py
/usr/lib/python3/dist-packages/csb/test/cases/bio/structure/
/usr/lib/python3/dist-packages/csb/test/cases/bio/structure/__init__.py
/usr/lib/python3/dist-packages/csb/test/cases/bio/utils/
/usr/lib/python3/dist-packages/csb/test/cases/bio/utils/__init__.py
/usr/lib/python3/dist-packages/csb/test/cases/core/
/usr/lib/python3/dist-packages/csb/test/cases/core/__init__.py
/usr/lib/python3/dist-packages/csb/test/cases/io/
/usr/lib/python3/dist-packages/csb/test/cases/io/__init__.py
/usr/lib/python3/dist-packages/csb/test/cases/numeric/
/usr/lib/python3/dist-packages/csb/test/cases/numeric/__init__.py
/usr/lib/python3/dist-packages/csb/test/cases/numeric/integrators.py
/usr/lib/python3/dist-packages/csb/test/cases/statistics/
/usr/lib/python3/dist-packages/csb/test/cases/statistics/__init__.py
/usr/lib/python3/dist-packages/csb/test/cases/statistics/ars.py
/usr/lib/python3/dist-packages/csb/test/cases/statistics/maxent.py
/usr/lib/python3/dist-packages/csb/test/cases/statistics/mixtures.py
/usr/lib/python3/dist-packages/csb/test/cases/statistics/pdf/
/usr/lib/python3/dist-packages/csb/test/cases/statistics/pdf/__init__.py
/usr/lib/python3/dist-packages/csb/test/cases/statistics/pdf/parameterized.py
/usr/lib/python3/dist-packages/csb/test/cases/statistics/rand.py
/usr/lib/python3/dist-packages/csb/test/cases/statistics/samplers/
/usr/lib/python3/dist-packages/csb/test/cases/statistics/samplers/__init__.py
/usr/lib/python3/dist-packages/csb/test/cases/statistics/scalemixture.py
/usr/lib/python3/dist-packages/csb/test/cases/statmech/
/usr/lib/python3/dist-packages/csb/test/cases/statmech/__init__.py
/usr/lib/python3/dist-packages/csb/test/cases/statmech/ensembles.py
/usr/lib/python3/dist-packages/csb/test/cases/statmech/wham.py