def generate_key(self, i, values):
    return None
Organizes multiple extensions that are separated with commas or passed by
dataset/ETHPy150Open GoogleCloudPlatform/python-compat-runtime/appengine-compat/exported_appengine_sdk/google/appengine/tools/bulkloader.py/Loader.generate_key--crossover with--dataset/ETHPy150Open cloudera/hue/desktop/core/ext-py/Django-1.6.10/django/core/management/utils.py/handle_extensions