def _bgcolor(self, color=None):
        if color is not None:
            self.cv.style.backgroundColor=color
        else:
            return self.cv.style.backgroundColor
load data to druid from hdfs
dataset/ETHPy150Open amrdraz/kodr/app/brython/www/src/Lib/site-packages/turtle.py/TurtleScreenBase._bgcolor--crossover with--dataset/ETHPy150Open airbnb/airflow/airflow/hooks/druid_hook.py/DruidHook.load_from_hdfs