package installed with conda is broken

bob10/lib/python3.8/site-packages/bob/io/audio/__init__.py", line 4, in <module>
    from ._library import *
ImportError: libsox.so.3: cannot open shared object file: No such file or directory

Also I see that pytest never ran bob.io.audio tests in https://gitlab.idiap.ch/bob/bob/-/jobs/249166/raw