fix lossless_jpeg test
@@ -17,4 +17,4 @@ def convert_lossless_jpeg(input_filepath, output_filepath=None):
output_filepath = input_filepath.parent.joinpath(f"{input_filepath.stem}.tif")
im = imread(input_filepath)
- imageio.imwrite(str(output_filepath), im, format="TIFF")
+ imageio.imwrite(str(output_filepath), im, format=".tif")
