reveal_count incorrect in stem

I am stem master, commit b2c8810dc94b0e2e62c0e482158de3d33504a709 Sat Jan 20 17:53:41 2018 -0800

» python
Python 2.7.10 (default, Jul 15 2017, 17:16:57)
[GCC 4.2.1 Compatible Apple LLVM 9.0.0 (clang-900.0.31)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> import stem.descriptor.remote
>>>
>>> downloader = stem.descriptor.remote.DescriptorDownloader(
...     timeout = 60,
...     fall_back_to_authority = False,
...     document_handler = stem.descriptor.DocumentHandler.DOCUMENT,
... )
>>> query = downloader.query('/tor/status-vote/current/consensus', default_params = False)
>>> d = query.run()
>>> d
[<stem.descriptor.networkstatus.NetworkStatusDocumentV3 object at 0x10aa8ea10>]
>>> c = d[0]
>>> c.shared_randomness_current_reveal_count
>>> c.shared_randomness_previous_reveal_count
>>> c.shared_randomness_current_value
u'vLbCqI2m02UXzOUYtSMPWxC/QUSXSw0mrOBNyBCGtcE='
>>> c.shared_randomness_previous_value
u'2xFM9tuS7c84CfE2OIURwJjh/XYop/tQoQD70DBBJNA='

Previously these values... had values. But now it appears they're not being populated? The documentation is a little fuzzy, but can you confirm they are intentionally not being populated anymore, even though they appear in the consensus?

shared-rand-previous-value 9 2xFM9tuS7c84CfE2OIURwJjh/XYop/tQoQD70DBBJNA=
shared-rand-current-value 9 vLbCqI2m02UXzOUYtSMPWxC/QUSXSw0mrOBNyBCGtcE=