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# 4.1.1

## Fix regression with reading DPI from EXIF data

Some JPEG images don’t contain DPI information in the image metadata, but do contain it in the EXIF data. A patch was added in 4.1.0 to read from the EXIF data, but it did not accept all possible types that could be included there. This fix adds the ability to read ints as well as rational values.

## Incompatibility between 3.6.0 and 3.6.1

CPython 3.6.1 added a new symbol, PySlice_GetIndicesEx, which was not present in 3.6.0. This had the effect of causing binaries compiled on CPython 3.6.1 to not work on installations of C-Python 3.6.0. This fix undefines PySlice_GetIndicesEx if it exists to restore compatibility with both 3.6.0 and 3.6.1. See https://bugs.python.org/issue29943 for more details.