title: pip installation /usr/local/opt/python/bin/python2.7: bad interpreter: No such file or directory
body: <p>I don't know what's the deal but I am stuck following some stackoverflow solutions which gets nowhere. Can you please help me on this?</p>
  
  <pre><code>  Monas-MacBook-Pro:CS764 mona$ sudo python get-pip.py
      The directory '/Users/mona/Library/Caches/pip/http' or its parent directory is not owned by the current user and the cache has been disabled. Please check the permissions and owner of that directory. If executing pip with sudo, you may want sudo's -H flag.
      The directory '/Users/mona/Library/Caches/pip/http' or its parent directory is not owned by the current user and the cache has been disabled. Please check the permissions and owner of that directory. If executing pip with sudo, you may want sudo's -H flag.
      /tmp/tmpbSjX8k/pip.zip/pip/_vendor/requests/packages/urllib3/util/ssl_.py:90: InsecurePlatformWarning: A true SSLContext object is not available. This prevents urllib3 from configuring SSL appropriately and may cause certain SSL connections to fail. For more information, see https://urllib3.readthedocs.org/en/latest/security.html#insecureplatformwarning.
      Collecting pip
        Downloading pip-7.1.0-py2.py3-none-any.whl (1.1MB)
          100% |████████████████████████████████| 1.1MB 181kB/s 
      Installing collected packages: pip
        Found existing installation: pip 1.4.1
          Uninstalling pip-1.4.1:
            Successfully uninstalled pip-1.4.1
      Successfully installed pip-7.1.0
      Monas-MacBook-Pro:CS764 mona$ pip --version
      -bash: /usr/local/bin/pip: /usr/local/opt/python/bin/python2.7: bad interpreter: No such file or directory
  </code></pre>