I did a pip operation and got a suggestion from pip to upgrade:
You are using pip version 9.0.1, however version 9.0.3 is available.
You should consider upgrading via the ‘pip install –upgrade pip’ command.
Unfortunately I upgraded using sudo, even though I’m not convinced it is what actually caused my problems: sudo pip install --upgrade pip
Now whatever I try, pip complains about me not using pip 9.0.1:
pip Traceback (most recent call last): File "/usr/local/opt/python/libexec/bin/pip", line 6, in <module> from pkg_resources import load_entry_point File "/usr/local/lib/python2.7/site-packages/pkg_resources/__init__.py", line 3019, in <module> @_call_aside File "/usr/local/lib/python2.7/site-packages/pkg_resources/__init__.py", line 3003, in _call_aside f(*args, **kwargs) File "/usr/local/lib/python2.7/site-packages/pkg_resources/__init__.py", line 3032, in _initialize_master_working_set working_set = WorkingSet._build_master() File "/usr/local/lib/python2.7/site-packages/pkg_resources/__init__.py", line 657, in _build_master return cls._build_from_requirements(__requires__) File "/usr/local/lib/python2.7/site-packages/pkg_resources/__init__.py", line 670, in _build_from_requirements dists = ws.resolve(reqs, Environment()) File "/usr/local/lib/python2.7/site-packages/pkg_resources/__init__.py", line 849, in resolve raise DistributionNotFound(req, requirers) pkg_resources.DistributionNotFound: The 'pip==9.0.1' distribution was not found and is required by the application
I want to either downgrade or reinstall, but all suggestions I find suggest doing pip uninstall pip
or similar and that is not really an option at this point.
Any suggestions?
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Answer
Consider having a look at the permissions defined for /usr/local/lib/python2.7/pip
. Probably this directory is not readable, and consequently, Python cannot find pip distribution.