def test_view_delattr(attr, subset_func):
    base = gen_adata((10, 10))
    orig_hash = joblib.hash(base)
    subset = base[subset_func(base.obs_names), subset_func(base.var_names)]
    empty = ad.AnnData(obs=subset.obs[[]], var=subset.var[[]])

    delattr(subset, attr)

    assert not subset.is_view
    # Should now have same value as default
    assert_equal(getattr(subset, attr), getattr(empty, attr))
    assert orig_hash == joblib.hash(base)  # Original should not be modified
def log_row(self, row_category: str, row: List[int]):
        """Logs a confusion matrix row.

        Args:
          row_category: Category to which the row belongs.
          row: List of integers specifying the values for the row.

        Raises:
          ValueError: If row_category is not in the list of categories set in
            set_categories or size of the row does not match the size of
            categories.
        """
        if row_category not in self._categories:
            raise ValueError('Invalid category: {} passed. Expected one of: {}'.\
              format(row_category, self._categories))

        if len(row) != len(self._categories):
            raise ValueError('Invalid row. Expected size: {} got: {}'.\
              format(len(self._categories), len(row)))

        self._matrix[self._categories.index(row_category)] = row