def read_from_fd(self):
        raise NotImplementedError()
Returns a dict of all the column headers, indice: label
dataset/ETHPy150Open RobotWebTools/rosbridge_suite/rosbridge_server/src/tornado/iostream.py/BaseIOStream.read_from_fd--crossover with--dataset/ETHPy150Open Widdershin/butterdb/butterdb/butterdb.py/Model.generate_columns