At some point my pip installation broke (I suspect when upgrading to Ubuntu 14.04) and I haven't been able to unbreak it by completely removing it and reinstalling (via synaptic package manager). It doesn't occur for all packages but for a few common ones such as autopep8 and even setuptools itself.
The error I am getting is
Downloading from URL https://pypi.python.org/packages/3.3/p/pep8/pep8-1.5.6-py2.py3-none-any.whl#md5=c7da9fb6a4316b53b6a873de076441e2 (from https://pypi.python.org/simple/pep8/)
Cleaning up...
Removing temporary dir /tmp/pip_build_tclose...
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/install.py", line 278, in run
requirement_set.prepare_files(finder, force_root_egg_info=self.bundle, bundle=self.bundle)
File "/usr/lib/python2.7/dist-packages/pip/req.py", line 1259, in prepare_files
)[0]
IndexError: list index out of range
which occurs when pkg_resources.find_distribution(<what-appears-to-be-a-temp-build-directory-for-package-to-install>)
returns an empty list. I am kind of out of ideas so any pointers would be most appreciated.
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