def __new__(cls, f, x, index=None, radicals=True, expand=True):
        return rootof(f, x, index=index, radicals=radicals, expand=expand)
Return an addinfourl object for the request, using http_class.
dataset/ETHPy150Open sympy/sympy/sympy/polys/rootoftools.py/RootOf.__new__--crossover with--dataset/ETHPy150Open babble/babble/include/jython/Lib/urllib2.py/AbstractHTTPHandler.do_open