list_sync_policies fails with summary=True

[sjorge]

Traceback (most recent call last):
  File "/Users/jorschra/Documents/repos/ism/bin/ism.py", line 23, in <module>
    ism.run()
  File "/Users/jorschra/Documents/repos/ism/lib/ugent/isi/cli.py", line 106, in run
    ret_state, ret_failed, ret_stats = mgr.apply()
  File "/Users/jorschra/Documents/repos/ism/lib/ugent/isi/manager/export.py", line 100, in apply
    if not self.apply_sync(share_name, location=share_loc):
  File "/Users/jorschra/Documents/repos/ism/lib/ugent/isi/manager/sync.py", line 79, in apply_sync
    synciq_policy_id, synciq_policy_target = self.has_sync(name, True, location=location)
  File "/Users/jorschra/Documents/repos/ism/lib/ugent/isi/manager/sync.py", line 39, in has_sync
    ret = api.list_sync_policies(summary=True)
  File "/Users/jorschra/Documents/repos/ism/venv/lib/python2.7/site-packages/isi_sdk_8_2_1/api/sync_api.py", line 4510, in list_sync_policies
    (data) = self.list_sync_policies_with_http_info(**kwargs)  # noqa: E501
  File "/Users/jorschra/Documents/repos/ism/venv/lib/python2.7/site-packages/isi_sdk_8_2_1/api/sync_api.py", line 4624, in list_sync_policies_with_http_info
    collection_formats=collection_formats)
  File "/Users/jorschra/Documents/repos/ism/venv/lib/python2.7/site-packages/isi_sdk_8_2_1/api_client.py", line 346, in call_api
    _preload_content, _request_timeout)
  File "/Users/jorschra/Documents/repos/ism/venv/lib/python2.7/site-packages/isi_sdk_8_2_1/api_client.py", line 185, in __call_api
    return_data = self.deserialize(response_data, response_type)
  File "/Users/jorschra/Documents/repos/ism/venv/lib/python2.7/site-packages/isi_sdk_8_2_1/api_client.py", line 257, in deserialize
    return self.__deserialize(data, response_type)
  File "/Users/jorschra/Documents/repos/ism/venv/lib/python2.7/site-packages/isi_sdk_8_2_1/api_client.py", line 296, in __deserialize
    return self.__deserialize_model(data, klass)
  File "/Users/jorschra/Documents/repos/ism/venv/lib/python2.7/site-packages/isi_sdk_8_2_1/api_client.py", line 671, in __deserialize_model
    kwargs[attr] = self.__deserialize(value, attr_type)
  File "/Users/jorschra/Documents/repos/ism/venv/lib/python2.7/site-packages/isi_sdk_8_2_1/api_client.py", line 274, in __deserialize
    for sub_data in data]
  File "/Users/jorschra/Documents/repos/ism/venv/lib/python2.7/site-packages/isi_sdk_8_2_1/api_client.py", line 296, in __deserialize
    return self.__deserialize_model(data, klass)
  File "/Users/jorschra/Documents/repos/ism/venv/lib/python2.7/site-packages/isi_sdk_8_2_1/api_client.py", line 673, in __deserialize_model
    instance = klass(**kwargs)
  File "/Users/jorschra/Documents/repos/ism/venv/lib/python2.7/site-packages/isi_sdk_8_2_1/models/sync_policy_extended_extended.py", line 257, in __init__
    self.database_mirrored = database_mirrored
  File "/Users/jorschra/Documents/repos/ism/venv/lib/python2.7/site-packages/isi_sdk_8_2_1/models/sync_policy_extended_extended.py", line 561, in database_mirrored
    raise ValueError("Invalid value for `database_mirrored`, must not be `None`")  # noqa: E501
ValueError: Invalid value for `database_mirrored`, must not be `None`

When doing a list_sync_policies with summary setto True we hit an error when i tries to create the return object due to missing values. Presumably because with summary=True they are not returned.