@classmethod
    def get_pk_field(self):
        return None
read_very_eager()
dataset/ETHPy150Open lsaffre/lino/lino/core/actors.py/Actor.get_pk_field--crossover with--dataset/ETHPy150Open azoft-dev-team/imagrium/env/Lib/test/test_telnetlib.py/ReadTests._test_read_any_eager_A