scikit-learn: plot_stock_market.py fails constantly

The example has been failing for several days and we cannot see the latest doc, so I raise it here. error message from Circle

Unexpected failing examples:
/home/circleci/project/examples/applications/plot_stock_market.py failed leaving traceback:
Traceback (most recent call last):
  File "/home/circleci/project/examples/applications/plot_stock_market.py", line 225, in <module>
    symbol, start_date, end_date))
  File "/home/circleci/project/examples/applications/plot_stock_market.py", line 85, in wrapper
    return f(*args, **kwargs)
  File "/home/circleci/project/examples/applications/plot_stock_market.py", line 117, in quotes_historical_google
    response = urlopen(url)
  File "/home/circleci/miniconda/envs/testenv/lib/python2.7/urllib2.py", line 154, in urlopen
    return opener.open(url, data, timeout)
  File "/home/circleci/miniconda/envs/testenv/lib/python2.7/urllib2.py", line 435, in open
    response = meth(req, response)
  File "/home/circleci/miniconda/envs/testenv/lib/python2.7/urllib2.py", line 548, in http_response
    'http', request, response, code, msg, hdrs)
  File "/home/circleci/miniconda/envs/testenv/lib/python2.7/urllib2.py", line 473, in error
    return self._call_chain(*args)
  File "/home/circleci/miniconda/envs/testenv/lib/python2.7/urllib2.py", line 407, in _call_chain
    result = func(*args)
  File "/home/circleci/miniconda/envs/testenv/lib/python2.7/urllib2.py", line 556, in http_error_default
    raise HTTPError(req.get_full_url(), code, msg, hdrs, fp)
HTTPError: HTTP Error 403: Forbidden

Is it related to #9749? Anything to improve in scikit-learn? ping @jnothman @lesteve