rootpy/rootpy — pull request #295 by pwaller (2013-05-29 12:13:22+00:00)
Title: Fix uninformative exception on File AttributeError

If you tried to access a bad attribute on a file object, you get an
AttributeError with no further information. With this patch, the output
looks like this:

AttributeError: File('pdf-components.root') has no attribute 'hpdf_ta__x'