[Checkins] [zopefoundation/Zope] 54a4f4: A couple fixes for WSGI publisher exception handli...

[GitHub]

  Branch: refs/heads/wsgi-exception-fixes
  Home:   https://github.com/zopefoundation/Zope
  Commit: 54a4f461073a46800c59afc4f4661ff88314ecfd
      https://github.com/zopefoundation/Zope/commit/54a4f461073a46800c59afc4f4661ff88314ecfd
  Author: David Glick <david at glicksoftware.com>
  Date:   2017-02-07 (Tue, 07 Feb 2017)

  Changed paths:
    M src/ZPublisher/WSGIPublisher.py

  Log Message:
  -----------
  A couple fixes for WSGI publisher exception handling

* Avoid converting exception type if it's a subclass of the preferred HTTP exception
* Preserve the original traceback on Python 2