def __getitem__(self, key):
        if isinstance(key, slice):
            return self.iter_rows("{0}:{1}".format(key.start, key.stop))
        if ":" in key:
            return self.iter_rows(key)
        row, column = coordinate_to_tuple(key)
        return self._get_cell(row, column)
L{checkRecursive} descends into each directory, finding Python files
dataset/ETHPy150Open cloudera/hue/desktop/core/ext-py/openpyxl-2.3.0-b2/openpyxl/worksheet/worksheet.py/Worksheet.__getitem__--crossover with--dataset/ETHPy150Open patrys/PythonChecker/pyflakes/test/test_api.py/CheckTests.test_checkRecursive