detected in a couple of doc build issues/PRs in SciPy now, see scipy/scipy#10540 (comment)

The numpy.random refactor somehow has caused entries in the intersphinx numpy output to go missing. at least numpy.random.RandomState and numpy.random.weibull, so probably the whole older API is missing (and perhaps the new one as well).

The tracking issue for the workaround in SciPy (explicitly referencing random.mtrand.<object> is scipy/scipy#10545