[xml/sgml-pkgs] Bug#878684: python3-libxml2: Import fails in Python 3 with error about undefined symbol

[Torquil Macdonald Sørensen]

Package: python3-libxml2
Version: 2.9.4+dfsg1-5
Severity: important

python3-libmlx2 doesn't work:

$ python3
Python 3.6.3 (default, Oct  3 2017, 21:16:13) 
[GCC 7.2.0] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> import libxml2
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/usr/lib/python3/dist-packages/libxml2.py", line 1, in <module>
    import libxml2mod
ImportError: /usr/lib/python3/dist-packages/libxml2mod.cpython-36m-x86_64-linux-gnu.so: undefined symbol: _PyVerify_fd
>>>

Best regards,
Torquil Sørensen

-- System Information:
Debian Release: buster/sid
  APT prefers unstable
  APT policy: (990, 'unstable')
Architecture: amd64 (x86_64)

Kernel: Linux 4.13.0-1-amd64 (SMP w/4 CPU cores)
Locale: LANG=en_GB.UTF-8, LC_CTYPE=en_GB.UTF-8 (charmap=UTF-8), LANGUAGE=en_GB.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)

Versions of packages python3-libxml2 depends on:
ii  libc6         2.24-17
ii  libpython3.5  3.5.4-4
ii  libpython3.6  3.6.3-1
ii  libxml2       2.9.4+dfsg1-5
ii  python3       3.6.3-1

python3-libxml2 recommends no packages.

python3-libxml2 suggests no packages.

-- no debconf information