MacOS binary can't talk to GitHub -- SSL version too old

[remram44]

Juliana reported that she can use Vagrant but not Docker, error:

$ /opt/reprounzip/reprounzip docker setup /Users/juliana/Dropbox/0-ToDO/20181111-Reproducibility-Lecture/Example/digits_sklearn_opencv.rpz /Users/juliana/Dropbox/0-ToDO/20181111-Reproducibility-Lecture/Example/digits_sklearn_opencv_docker

Traceback (most recent call last):
  File "/opt/reprounzip/python27/bin/reprounzip", line 11, in <module>
    load_entry_point('reprounzip==1.0.13', 'console_scripts', 'reprounzip')()
  File "/opt/reprounzip/python27/lib/python2.7/site-packages/reprounzip/main.py", line 144, in main
    args.func(args)
  File "/opt/reprounzip/python27/lib/python2.7/site-packages/reprounzip/unpackers/docker.py", line 120, in docker_setup
    docker_setup_create(args)
  File "/opt/reprounzip/python27/lib/python2.7/site-packages/reprounzip/unpackers/docker.py", line 181, in docker_setup_create
    'rpzsudo-%s' % arch)
  File "/opt/reprounzip/python27/lib/python2.7/site-packages/reprounzip/utils.py", line 454, in download_file
    stream=True, verify=ssl_verify)
  File "/opt/reprounzip/python27/lib/python2.7/site-packages/requests/api.py", line 72, in get
    return request('get', url, params=params, **kwargs)
  File "/opt/reprounzip/python27/lib/python2.7/site-packages/requests/api.py", line 58, in request
    return session.request(method=method, url=url, **kwargs)
  File "/opt/reprounzip/python27/lib/python2.7/site-packages/requests/sessions.py", line 512, in request
    resp = self.send(prep, **send_kwargs)
  File "/opt/reprounzip/python27/lib/python2.7/site-packages/requests/sessions.py", line 622, in send
    r = adapter.send(request, **kwargs)
  File "/opt/reprounzip/python27/lib/python2.7/site-packages/requests/adapters.py", line 511, in send
      raise SSLError(e, request=request)
requests.exceptions.SSLError: HTTPSConnectionPool(host='github.com', port=443): Max retries exceeded with url: /remram44/static-sudo/releases/download/current/rpzsudo-x86_64 (Caused by SSLError(SSLError(1, u'[SSL: TLSV1_ALERT_PROTOCOL_VERSION] tlsv1 alert protocol version (_ssl.c:661)'),))