cannot create dir when installing networkx

[jrong75]

creating /System/Library/Frameworks/Python.framework/Versions/2.7/share
error: could not create '/System/Library/Frameworks/Python.framework/Versions/2.7/share': Operation not permitted

----------------------------------------

Command "/usr/bin/python -c "import setuptools, tokenize;file='/private/tmp/pip-build-Ol6WG2/networkx/setup.py';exec(compile(getattr(tokenize, 'open', open)(file).read().replace('\r\n', '\n'), file, 'exec'))" install --record /tmp/pip-8kdl8t-record/install-record.txt --single-version-externally-managed --compile" failed with error code 1 in /private/tmp/pip-build-Ol6WG2/networkx

[letiantian]

应该是权限问题。我对mac不熟，使用Mac下的类似root的权限试一下。