.. bpo: 24305 .. date: 7962 .. nonce: QeF4A8 .. release date: 2015-09-07 .. section: Core and Builtins Prevent import subsystem stack frames from being counted by the warnings.warn(stacklevel=) parameter. .. .. bpo: 24912 .. date: 7961 .. nonce: ubSi5J .. section: Core and Builtins Prevent __class__ assignment to immutable built-in objects. .. .. bpo: 24975 .. date: 7960 .. nonce: 2gLdfN .. section: Core and Builtins Fix AST compilation for PEP 448 syntax. .. .. bpo: 24917 .. date: 7959 .. nonce: xaQocz .. section: Library time_strftime() buffer over-read. .. .. bpo: 24748 .. date: 7958 .. nonce: 83NuO8 .. section: Library To resolve a compatibility problem found with py2exe and pywin32, imp.load_dynamic() once again ignores previously loaded modules to support Python modules replacing themselves with extension modules. Patch by Petr Viktorin. .. .. bpo: 24635 .. date: 7957 .. nonce: EiJPPf .. section: Library Fixed a bug in typing.py where isinstance([], typing.Iterable) would return True once, then False on subsequent calls. .. .. bpo: 24989 .. date: 7956 .. nonce: 9BJLiy .. section: Library Fixed buffer overread in BytesIO.readline() if a position is set beyond size. Based on patch by John Leitch. .. .. bpo: 24913 .. date: 7955 .. nonce: p2ZAJ4 .. section: Library Fix overrun error in deque.index(). Found by John Leitch and Bryce Darling.