pip 재설치
$ curl https://bootstrap.pypa.io/get-pip.py -o get-pip.py
$ python get-pip.py
$ pip install --user --upgrade pip
actions speak louder than words
pip 재설치
$ curl https://bootstrap.pypa.io/get-pip.py -o get-pip.py
$ python get-pip.py
$ pip install --user --upgrade pip