맥OS에서 pip를 설치할 때는 easy_install을 사용한다.

$ sudo easy_install pip
Password:
Searching for pip
Reading https://pypi.python.org/simple/pip/
Best match: pip 19.0.3
Downloading https://files.pythonhosted.org/packages/36/fa/51ca4d57392e2f69397cd6e5af23da2a8d37884a605f9e3f2d3bfdc48397/pip-19.0.3.tar.gz#sha256=6e6f197a1abfb45118dbb878b5c859a0edbdd33fd250100bc015b67fded4b9f2
Processing pip-19.0.3.tar.gz
Writing /tmp/easy_install-30o2gc/pip-19.0.3/setup.cfg
Running pip-19.0.3/setup.py -q bdist_egg --dist-dir /tmp/easy_install-30o2gc/pip-19.0.3/egg-dist-tmp-ki0ttj
/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/distutils/dist.py:267: UserWarning: Unknown distribution option: 'python_requires'
  warnings.warn(msg)
warning: no files found matching 'docs/docutils.conf'
warning: no previously-included files found matching '.coveragerc'
warning: no previously-included files found matching '.mailmap'
warning: no previously-included files found matching '.appveyor.yml'
warning: no previously-included files found matching '.travis.yml'
warning: no previously-included files found matching 'tox.ini'
warning: no files found matching 'Makefile' under directory 'docs'
warning: no files found matching '*.bat' under directory 'docs'
warning: no previously-included files found matching 'src/pip/_vendor/six'
warning: no previously-included files found matching 'src/pip/_vendor/six/moves'
warning: no previously-included files matching '*.pyi' found under directory 'src/pip/_vendor'
no previously-included directories found matching '.github'
no previously-included directories found matching '.azure-pipelines'
no previously-included directories found matching 'docs/build'
no previously-included directories found matching 'news'
no previously-included directories found matching 'tasks'
no previously-included directories found matching 'tests'
no previously-included directories found matching 'tools'
creating /Library/Python/2.7/site-packages/pip-19.0.3-py2.7.egg
Extracting pip-19.0.3-py2.7.egg to /Library/Python/2.7/site-packages
Adding pip 19.0.3 to easy-install.pth file
Installing pip script to /usr/local/bin
Installing pip2.7 script to /usr/local/bin
Installing pip2 script to /usr/local/bin

Installed /Library/Python/2.7/site-packages/pip-19.0.3-py2.7.egg
Processing dependencies for pip
Finished processing dependencies for pip