def writelines(self, lines):
        for line in lines:
            self.write(line)
Test that we can pass a rank 3 ndarray or a list of rank 2
dataset/ETHPy150Open twisted/twisted/twisted/logger/_io.py/LoggingFile.writelines--crossover with--dataset/ETHPy150Open statsmodels/statsmodels/statsmodels/stats/tests/test_contingency_tables.py/test_stratified_table_cube