path: root/Misc/NEWS.d/next/Library/2018-06-03-22-41-59.bpo-33767.2e82g3.rst

The concatenation (``+``) and repetition (``*``) sequence operations now
raise :exc:`TypeError` instead of :exc:`SystemError` when performed on
:class:`mmap.mmap` objects.  Patch by Zackery Spytz.