[Python-modules-team] Bug#912379: /usr/bin/pip3: TypeError on "list --outdated": uses different Version implementations

[Arnaldo Pirrone]

Package: python3-pip
Version: 18.1-5
Followup-For: Bug #912379

Hi, the same is happening here:

Exception:
Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/pip/_internal/cli/base_command.py", line
143, in main
    status = self.run(options, args)
  File "/usr/lib/python3/dist-packages/pip/_internal/commands/list.py", line
138, in run
    packages = self.get_outdated(packages, options)
  File "/usr/lib/python3/dist-packages/pip/_internal/commands/list.py", line
149, in get_outdated
    dist for dist in self.iter_packages_latest_infos(packages, options)
  File "/usr/lib/python3/dist-packages/pip/_internal/commands/list.py", line
150, in <listcomp>
    if dist.latest_version > dist.parsed_version
TypeError: '>' not supported between instances of 'Version' and 'Version'

according to https://github.com/pypa/pip/issues/5429
the bug is located downstream.



-- System Information:
Debian Release: bullseye/sid
  APT prefers unstable
  APT policy: (500, 'unstable'), (1, 'experimental')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 5.2.0-8.1-liquorix-amd64 (SMP w/4 CPU cores; PREEMPT)
Kernel taint flags: TAINT_OOT_MODULE
Locale: LANG=it_IT.UTF-8, LC_CTYPE=it_IT.UTF-8 (charmap=UTF-8), LANGUAGE=it_IT.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)

Versions of packages python3-pip depends on:
ii  ca-certificates    20190110
ii  python-pip-whl     18.1-5
ii  python3            3.7.3-1
ii  python3-distutils  3.7.4-3

Versions of packages python3-pip recommends:
ii  build-essential     12.6
ii  python3-dev         3.7.3-1
ii  python3-setuptools  41.0.1-1
ii  python3-wheel       0.32.3-2

python3-pip suggests no packages.

-- no debconf information