python-imaging/Pillow — pull request #566 by larsmans (2014-03-24 16:55:10+00:00)
Title: more detailed error messages from Image.py

This patch improves some of the error messages in `Image.py`. In particular, `Image.open` reports which image it was trying to open, which can be useful if you have a lot of images to load and a few are corrupted.