def __enter__(self):
    return self
Generates the gazettes file if there's any. Returns
dataset/ETHPy150Open google/fplutil/buildutil/android_test.py/FileMock.__enter__--crossover with--dataset/ETHPy150Open machinalis/iepy/iepy/preprocess/stanford_preprocess.py/GazetteManager.generate_stanford_gazettes_file