>>> lp = launchpadlib.launchpad.Launchpad.login_with('~racb', 'production', version='devel')
>>> mp = lp.load('https://api.launchpad.net/devel/~racb/ubuntu/+source/mongodb/+git/mongodb/+merge/335322')
>>> mp.scheduleDiffUpdates()
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/usr/lib/python3/dist-packages/lazr/restfulclient/resource.py", line 622, in __call__
    self.resource.lp_refresh()
  File "/usr/lib/python3/dist-packages/lazr/restfulclient/resource.py", line 759, in lp_refresh
    super(Entry, self).lp_refresh(new_url, etag)
  File "/usr/lib/python3/dist-packages/lazr/restfulclient/resource.py", line 346, in lp_refresh
    representation, self.JSON_MEDIA_TYPE)
  File "/usr/lib/python3/dist-packages/wadllib/application.py", line 363, in bind
    representation_definition)
  File "/usr/lib/python3/dist-packages/wadllib/application.py", line 300, in __init__
    _make_unicode(representation))
  File "/usr/lib/python3/dist-packages/simplejson/__init__.py", line 516, in loads
    return _default_decoder.decode(s)
  File "/usr/lib/python3/dist-packages/simplejson/decoder.py", line 370, in decode
    obj, end = self.raw_decode(s)
  File "/usr/lib/python3/dist-packages/simplejson/decoder.py", line 400, in raw_decode
    return self.scan_once(s, idx=_w(s, idx).end())
simplejson.scanner.JSONDecodeError: Expecting value: line 1 column 1 (char 0)
>>>