I was trying to install something using pip, and I keep getting this UserWarning error (see below).
I tried to upgrade pip and you can see the error below.
I haven't used python on my system in a while and it seems to be broken. What could it be?
pip install -U pip /usr/local/bin/pip:5: UserWarning: Module _markerlib was already imported from /Library/Python/2.7/site-packages/distribute-0.6.49-py2.7.egg/_markerlib/__init__.pyc, but /System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python is being added to sys.path from pkg_resources import load_entry_point Downloading/unpacking pip from https://pypi.python.org/packages/py2.py3/p/pip/pip-7.1.2-py2.py3-none-any.whl#md5=5ff9fec0be479e4e36df467556deed4d Downloading pip-7.1.2-py2.py3-none-any.whl (1.1MB): 1.1MB downloaded Installing collected packages: pip Found existing installation: pip 1.5.6 Uninstalling pip: Cleaning up... Exception: Traceback (most recent call last): File "/Library/Python/2.7/site-packages/pip/basecommand.py", line 122, in main status = self.run(options, args) File "/Library/Python/2.7/site-packages/pip/commands/install.py", line 283, in run requirement_set.install(install_options, global_options, root=options.root_path) File "/Library/Python/2.7/site-packages/pip/req.py", line 1431, in install requirement.uninstall(auto_confirm=True) File "/Library/Python/2.7/site-packages/pip/req.py", line 598, in uninstall paths_to_remove.remove(auto_confirm) File "/Library/Python/2.7/site-packages/pip/req.py", line 1836, in remove renames(path, new_path) File "/Library/Python/2.7/site-packages/pip/util.py", line 295, in renames shutil.move(old, new) File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/shutil.py", line 302, in move os.unlink(src) OSError: [Errno 13] Permission denied: '/Library/Python/2.7/site-packages/pip-1.5.6.dist-info/DESCRIPTION.rst' Storing debug log for failure in /Users/blankman/Library/Logs/pip.log 
