Python PIP on Ubuntu -


when run python pip on new brand ubuntu 15.04 system updates installed, following assertion error. python 2.7.x. similar result python 3.4.x:

  ➜  pip list   adium-theme-ubuntu (0.3.4)   <...snip...>   pyopenssl (0.13.1)   pyserial (2.6)   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 , specs[0][0] == '=='   assertionerror

i think should report bug here. can reproduce in ubuntu 15.04 (64bit). man page states pip list , pip3 list commands should list packages, in both cases crash assertionerror before completing.


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