The error occurs when calling make_pil_image because an unused "format" keyword is given. The keyword is passed on to get_rgb, which previously ignored unused keywords but now checks keyword arguments and raises an exception when an unexpected keyword is given.
The error occurs when calling
make_pil_imagebecause an unused "format" keyword is given. The keyword is passed on toget_rgb, which previously ignored unused keywords but now checks keyword arguments and raises an exception when an unexpected keyword is given.