def test_view_setattr_machinery(attr, subset_func, subset_func2):
    # Tests that setting attributes on a view doesn't mess anything up too bad
    adata = gen_adata((10, 10))
    view = adata[subset_func(adata.obs_names), subset_func2(adata.var_names)]

    actual = view.copy()
    setattr(view, attr, getattr(actual, attr))
    assert_equal(actual, view, exact=True)
def with_status_check(obj, *args, **kwargs):
            if obj.status not in valid_start_statuses:
                exception_msg = (
                    u"Error calling {} {}: status is '{}', must be one of: {}"
                ).format(func, obj, obj.status, valid_start_statuses)
                raise VerificationException(exception_msg)
            return func(obj, *args, **kwargs)