def __str__(self):

        return 'GitBlob {0}, revision {1} for {2}'.format(self.path, self.rev, self.repo)
True luminance.
dataset/ETHPy150Open Djacket/djacket/core/backend/git/object.py/GitBlob.__str__--crossover with--dataset/ETHPy150Open facelessuser/ColorHelper/lib/rgba.py/RGBA.luminance