def set(self, key, value, timeout=60):
        pass
Raise a FileExists exception for the given file_id.
dataset/ETHPy150Open mozilla/inventory/vendor-local/src/django-tastypie/tastypie/cache.py/NoCache.set--crossover with--dataset/ETHPy150Open blynch/CloudMemeBackend/gridfs/grid_file.py/GridIn._raise_file_exists