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Python 3.10 is now generally available.


Calculates the histogram of the given image.

image_data String of the source image data.
rpc An optional UserRPC object.

3 256-element lists containing the number of occurences of each value of each color in the order RGB.

NotImageError If the supplied image data is not an image.
BadImageError If the supplied image data is corrupt.
LargeImageError If the supplied image data is too large to process.
Error All other errors.