def __getitem__(self, item):
        for x in self.columns():
            if x.name() == item:
                return x
        raise KeyError(item)
Simplified version of C{L{withAttribute}} when matching on a div class - made
dataset/ETHPy150Open grundprinzip/pyxplorer/pyxplorer/types.py/Table.__getitem__--crossover with--dataset/ETHPy150Open pypa/pip/pip/_vendor/pyparsing.py/withClass