def shift(self, s):
        s, x = sympify(s), self.x

        if x in s.free_symbols:
            raise ValueError("'%s' should be independent of %s" % (s, x))

        a0 = self.a0 + s
        sfunc = self.function + s

        return self.func(sfunc, self.args[1], (a0, self.an, self.bn))
The contents of the `error-severity` element.
dataset/ETHPy150Open sympy/sympy/sympy/series/fourier.py/FourierSeries.shift--crossover with--dataset/ETHPy150Open ncclient/ncclient/ncclient/operations/rpc.py/RPCError.severity