def __iadd__(self, other):
        if isinstance(other, V):
            if len(other._v) != len(self._v):
                raise ValueError, 'mismatched dimensions'
            for i in range(len(self._v)):
                self._v[i] += other._v[i]
        else:
            for i in range(len(self._v)):
                self._v[i] += other
        self._l = None
        return self

    # Vector or scalar subtraction.
Get the mirroring status of a list of devices.
dataset/ETHPy150Open hhatto/autopep8/test/vectors_example.py/V.__iadd__--crossover with--dataset/ETHPy150Open ganeti/ganeti/lib/backend.py/BlockdevGetmirrorstatusMulti