py-Pillow: updated to 9.1.0

9.1.0 (2022-04-01)
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- Fix loading FriBiDi on Alpine
- Added setting for converting GIF P frames to RGB
- Allow 1 mode images to be inverted
- Raise ValueError when trying to save empty JPEG
- Always save TIFF with contiguous planar configuration
- Connected discontiguous polygon corners
- Ensure Tkinter hook is activated for getimage()
- Use screencapture arguments to crop on macOS
- Do not mark L mode JPEG as 1 bit in PDF
- Added support for reading I;16R TIFF images
- If an error occurs after creating a file, remove the file
- Fixed calling DisplayViewer or XVViewer without a title
- Retain RGBA transparency when saving multiple GIF frames
- Save additional ICO frames with other bit depths if supplied
- Handle EXIF data truncated to just the header
- Added support for reading BMP images with RLE8 compression
- Support Python distributions where _tkinter is compiled in
- Added support for PPM arbitrary maxval
- Added BigTIFF reading
- When converting, clip I;16 to be unsigned, not signed
- Fixed loading L mode GIF with transparency
- Improved handling of PPM header
- Reset size when seeking away from "Large Thumbnail" MPO frame
- Replace requirements.txt with extras
- Added PyEncoder and support BLP saving
- Handle TGA images with packets that cross scan lines
- Added FITS reading
- Added rawmode argument to Image.getpalette()
- Fixed BUFR, GRIB and HDF5 stub saving
- Do not automatically remove temporary ImageShow files on Unix
- Correctly read JPEG compressed BLP images
- Merged _MODE_CONV typ into ImageMode as typestr
- Consider palette size when converting and in getpalette()
- Added enums
- Ensure image is opaque after converting P to PA with RGB palette
- Attach RGBA palettes from putpalette() when suitable
- Added get_photoshop_blocks() to parse Photoshop TIFF tag
- Drop excess values in BITSPERSAMPLE
- Added unpacker from RGBA;15 to RGB
- Enable arm64 for MSVC on Windows
- Keep IPython/Jupyter text/plain output stable
- Raise an error when performing a negative crop
- Deprecated show_file "file" argument in favour of "path"
- Fixed SPIDER images for use with Bio-formats library
- Ensure duplicated file pointer is closed
- Added specific error if path coordinate type is incorrect
- Return an empty bytestring from tobytes() for an empty image
- Remove readonly from Image.__eq__


(adam)