Comment 2 for bug 1220867

Reviewed: https://review.openstack.org/45105
Committed: http://github.com/openstack/cinder/commit/d9eb3535254ca2d198c84cde6b2ea02997ab8808
Submitter: Jenkins
Branch: master

commit d9eb3535254ca2d198c84cde6b2ea02997ab8808
Author: Joshua Harlow <email address hidden>
Date: Wed Sep 4 12:20:54 2013 -0700

    Fix tuple usage error

    The exc_info is just a tuple (captured in taskflow)
    and isn't itself a callable object so we should not
    need to use it like one to extract the exception type
    and value.

    Fixes bug #1220867

    Change-Id: Ie27d004bad4053baa2ac8eb84bb8b7cdc05a954d