def get_player_position(self):
        raise NotImplementedError
Get the value of a jobconf variable from the given dictionary.
dataset/ETHPy150Open pascalw/Airplayer/airplayer/mediabackends/base_media_backend.py/BaseMediaBackend.get_player_position--crossover with--dataset/ETHPy150Open Yelp/mrjob/mrjob/compat.py/jobconf_from_dict