def cov(self, other, min_periods=None):
        this, other = self.align(other, join='inner', copy=False)
        if len(this) == 0:
            return np.nan
        return nanops.nancov(this.values, other.values,
                             min_periods=min_periods)
Return current position of roller shutter.
dataset/ETHPy150Open pydata/pandas/pandas/core/series.py/Series.cov--crossover with--dataset/ETHPy150Open home-assistant/home-assistant/homeassistant/components/rollershutter/command_line.py/CommandRollershutter.current_position