yawd/yawd-elfinder — pull request #32 by rudeb0t (2013-05-25 08:57:02+00:00)
Title: Fix setup.py clobbering already installed Pillow library.

Do not forcibly install PIL if Pillow is already installed. Until such
time that Pillow can report itself as providing PIL, all we can do now
is just try to detect it. Hopefully Pillow will not release a version
that allows:

import Image

As this will break detection.