def __enter__(self):
        self._checkClosed()
        return self
Return RGB to RGB conversion matrix.
dataset/ETHPy150Open azoft-dev-team/imagrium/env/Lib/_pyio.py/IOBase.__enter__--crossover with--dataset/ETHPy150Open mikrosimage/ColorPipe-tools/utils/colors_helper.py/get_RGB_to_RGB_matrix