Comment 3 for bug 885618

$ bin/harness
>>> from lp.bugs.externalbugtracker.bugzilla import Bugzilla
>>> ebt = Bugzilla("https://bugs.freedesktop.org/")
>>> ebt = ebt.getExternalBugTrackerToUse()
>>> ebt.initializeRemoteBugDB(["37700"])
Traceback (most recent call last):
  File "<console>", line 1, in <module>
  File ".../lib/lp/bugs/externalbugtracker/bugzilla.py", line 327, in initializeRemoteBugDB
    super(Bugzilla, self).initializeRemoteBugDB(bug_ids)
  File ".../lib/lp/bugs/externalbugtracker/base.py", line 188, in initializeRemoteBugDB
    self.bugs = self.getRemoteBugBatch(bug_ids)
  File ".../lib/lp/bugs/externalbugtracker/bugzilla.py", line 402, in getRemoteBugBatch
    buglist_page, data, repost_on_redirect=True)
  File ".../lib/lp/bugs/externalbugtracker/base.py", line 279, in _postPage
    response = self._post(url, data=post_data)
  File ".../lib/lp/bugs/externalbugtracker/base.py", line 263, in _post
    return self._fetchPage(request, data=data)
  File ".../lib/lp/bugs/externalbugtracker/base.py", line 249, in _fetchPage
    raise BugTrackerConnectError(self.baseurl, val)
BugTrackerConnectError: https://bugs.freedesktop.org: HTTP Error 500: Internal Server Error