a ValueError when input image is grayscale #29
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in scipy 0.19.1, if the image is grayscale, image.shape is MxN matrix, not MxNx1, thus in line 57 "ValueError: not enough values to unpack" will show
fix a ValueError when input image is grayscale
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in scipy 0.19.1, if the image is grayscale, image.shape is MxN matrix, not MxNx1, thus in line 57 "ValueError: not enough values to unpack(expected 3, got 2)" will show, which I met today :)