def __init__(self, name, parent, dis):
        ThreadType.__init__(self, name=name)
A named field cannot occur twice.
dataset/ETHPy150Open blampe/IbPy/ib/lib/__init__.py/Thread.__init__--crossover with--dataset/ETHPy150Open ralphm/wokkel/wokkel/test/test_data_form.py/FormTest.test_addFieldSameName