def clear_select_fields(self):
        self.select = []
        self.select_fields = []
set model to use
dataset/ETHPy150Open CollabQ/CollabQ/vendor/django/db/models/sql/query.py/BaseQuery.clear_select_fields--crossover with--dataset/ETHPy150Open tuturto/pyherc/src/pyherc/config/dsl/levelgeneratorfactory.py/LevelConfiguration.with_model