4teamwork/ftw.file — pull request #30 by jone (2014-08-05 13:32:37+00:00)
Title: Catch OverflowError for unkown PSD formats.

When opening never PSD files with PIL, an `OverflowError` might be raised.
This is probably because of unsupported PSD format.
Since we cannot fix the error we just catch it and do not display any preview in this case.

@maethu