def __getitem__(self, key):
        return ItemRequestBuilder(self.append_to_request_url(str(key)), self._client)
Called by validate. Handles setting the configspec on subsections
dataset/ETHPy150Open OneDrive/onedrive-sdk-python/src/python2/request/versions_collection.py/VersionsCollectionRequestBuilder.__getitem__--crossover with--dataset/ETHPy150Open boakley/robotframework-workbench/rwb/lib/configobj.py/ConfigObj._set_configspec