def __init__(self, model_class, field_dict=None, rows=None,
                 fields=None, query=None, validate_fields=False):
        super(InsertQuery, self).__init__(model_class)

        self._upsert = False
        self._is_multi_row_insert = rows is not None or query in None
        self._return_id_list = False
        if rows is not None:
            self._rows = rows
        else:
            self._rows = [field_dict or {}]

        self._fields = fields
        self._query = query
        self._validate_fields = validate_fields
        self._on_conflict = None
dataset/ETHPy150Open coleifer/peewee/peewee.py/InsertQuery.__init__/operator `is not` -> `in`