def __init__(self, expected):
        self.expected = expected
Return an unsaved ``ThumbnailFile`` containing a thumbnail image.
dataset/ETHPy150Open meejah/txtorcon/test/test_torstate.py/StreamListener.__init__--crossover with--dataset/ETHPy150Open SmileyChris/easy-thumbnails/easy_thumbnails/files.py/Thumbnailer.generate_thumbnail