How to use the odoorpc.fields.records2ids function in OdooRPC

def __isub__(self, records):
        if not self._from_record:
            raise error.InternalError("No parent record to update")
        try:
            list(records)
        except TypeError:
            records = [records]
        parent = self._from_record[0]
        field = self._from_record[1]
        updated_values = parent._values_to_write[field.name]
        values = []
        if updated_values.get(parent.id):
            values = updated_values[parent.id][:]  # Copy
        from odoorpc import fields

        for id_ in fields.records2ids(records):
            if (4, id_) in values:
                values.remove((4, id_))
            if (3, id_) not in values:
                values.append((3, id_))
        return values

def __isub__(self, records):
        if not self._from_record:
            raise error.InternalError("No parent record to update")
        try:
            list(records)
        except TypeError:
            records = [records]
        parent = self._from_record[0]
        field = self._from_record[1]
        updated_values = parent._values_to_write[field.name]
        values = []
        if updated_values.get(parent.id):
            values = updated_values[parent.id][:]  # Copy
        from odoorpc import fields
        for id_ in fields.records2ids(records):
            if (4, id_) in values:
                values.remove((4, id_))
            if (3, id_) not in values:
                values.append((3, id_))
        return values

def __iadd__(self, records):
        if not self._from_record:
            raise error.InternalError("No parent record to update")
        try:
            list(records)
        except TypeError:
            records = [records]
        parent = self._from_record[0]
        field = self._from_record[1]
        updated_values = parent._values_to_write[field.name]
        values = []
        if updated_values.get(parent.id):
            values = updated_values[parent.id][:]  # Copy
        from odoorpc import fields

        for id_ in fields.records2ids(records):
            if (3, id_) in values:
                values.remove((3, id_))
            if (4, id_) not in values:
                values.append((4, id_))
        return IncrementalRecords(values)

def __iadd__(self, records):
        if not self._from_record:
            raise error.InternalError("No parent record to update")
        try:
            list(records)
        except TypeError:
            records = [records]
        parent = self._from_record[0]
        field = self._from_record[1]
        updated_values = parent._values_to_write[field.name]
        values = []
        if updated_values.get(parent.id):
            values = updated_values[parent.id][:]  # Copy
        from odoorpc import fields
        for id_ in fields.records2ids(records):
            if (3, id_) in values:
                values.remove((3, id_))
            if (4, id_) not in values:
                values.append((4, id_))
        return IncrementalRecords(values)