def __setitem__(self, key, value):
        if key not in self:
            super(ParamDict, self).__setitem__(key, value)
        else:
            if not isinstance(self[key], list):
                super(ParamDict, self).__setitem__(key, [self[key]])
            self[key].append(value)
Create a new long text column on the table.
dataset/ETHPy150Open RoseOu/flasky/venv/lib/python2.7/site-packages/httpie/input.py/ParamDict.__setitem__--crossover with--dataset/ETHPy150Open sdispater/orator/orator/schema/blueprint.py/Blueprint.long_text