def delete(self, session_key=None):

        if session_key is None:
            if self.session_key is None:
                return
            session_key = self.session_key

        key = self.table.layer2.build_key_from_values(
            self.table.schema,
            session_key,
            range_key=None
        )
        self.table.layer2.layer1.delete_item(self.table.name, key)
Checks if required settings are present.
dataset/ETHPy150Open gtaylor/django-dynamodb-sessions/dynamodb_sessions/backends/dynamodb.py/SessionStore.delete--crossover with--dataset/ETHPy150Open osrg/ryu/ryu/services/protocols/bgp/rtconf/base.py/BaseConf._validate_req_unknown_settings