Read EXIF data tEXt chunk into info as bytes instead of string #4828
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Resolves #4820
This issue reports a user finding a PNG with a tEXt chunk containing EXIF data. Pillow reads tEXt chunks into the
infodictionary as a string, but EXIF data is expected as bytes, so an error was raised.This PR reads EXIF data from tEXt chunks into the info dictionary as bytes, instead of as a string. I used Pillow to create add a modified version of an existing test image with a tEXt chunk of EXIF data.