[Python-modules-team] Bug#787165: python-pip: some pip commands don't work: freeze, list, maybe others

[clayton]

Package: python-pip
Version: 1.5.6-6
Severity: important

For instance:

root at t410:~# pip freeze
Exception:
Traceback (most recent call last):
  File "/usr/lib/python2.7/dist-packages/pip/basecommand.py", line 122, in main
    status = self.run(options, args)
  File "/usr/lib/python2.7/dist-packages/pip/commands/freeze.py", line 74, in run
    req = pip.FrozenRequirement.from_dist(dist, dependency_links, find_tags=find_tags)
  File "/usr/lib/python2.7/dist-packages/pip/__init__.py", line 299, in from_dist
    assert len(specs) == 1 and specs[0][0] == '=='
AssertionError

Storing debug log for failure in /root/.pip/pip.log
root at t410:~# pip list
apsw (3.8.6.post1)
archivemail (0.9.0)
argparse (1.2.1)
BeautifulSoup (3.2.1)
beautifulsoup4 (4.1.3)
Exception:
Traceback (most recent call last):
  File "/usr/lib/python2.7/dist-packages/pip/basecommand.py", line 122, in main
    status = self.run(options, args)
  File "/usr/lib/python2.7/dist-packages/pip/commands/list.py", line 80, in run
    self.run_listing(options)
  File "/usr/lib/python2.7/dist-packages/pip/commands/list.py", line 142, in run_listing
    self.output_package_listing(installed_packages)
  File "/usr/lib/python2.7/dist-packages/pip/commands/list.py", line 151, in output_package_listing
    if dist_is_editable(dist):
  File "/usr/lib/python2.7/dist-packages/pip/util.py", line 367, in dist_is_editable
    req = FrozenRequirement.from_dist(dist, [])
  File "/usr/lib/python2.7/dist-packages/pip/__init__.py", line 299, in from_dist
    assert len(specs) == 1 and specs[0][0] == '=='
AssertionError


-- System Information:
Debian Release: stretch/sid
  APT prefers testing
  APT policy: (800, 'testing'), (700, 'unstable'), (1, 'experimental')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 3.16.0-4-amd64 (SMP w/4 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)

Versions of packages python-pip depends on:
ii  ca-certificates       20141019
ii  python                2.7.9-1
ii  python-colorama       0.3.3-1
ii  python-distlib        0.2.0-2
ii  python-html5lib       0.999-3
ii  python-pkg-resources  16.0-2
ii  python-requests       2.4.3-6
ii  python-setuptools     16.0-2
ii  python-six            1.9.0-3
pn  python:any            <none>

Versions of packages python-pip recommends:
ii  build-essential  11.7
pn  python-dev-all   <none>
ii  python-wheel     0.24.0-1

python-pip suggests no packages.

-- no debconf information