From 96eeddba0542f0b5323659ffb0fa7038032899d8 Mon Sep 17 00:00:00 2001 From: R David Murray Date: Mon, 10 Feb 2014 19:12:52 -0500 Subject: [PATCH] whatsnew: bytes/bytearray.join args, PYTHONPATH= is same as not set. --- Doc/whatsnew/3.4.rst | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/Doc/whatsnew/3.4.rst b/Doc/whatsnew/3.4.rst index dcd9284095f..ed698764598 100644 --- a/Doc/whatsnew/3.4.rst +++ b/Doc/whatsnew/3.4.rst @@ -364,6 +364,9 @@ Some smaller changes made to the core Python language are: Contributed by Victor Stinner, Kang-Hao (Kenny) Lu and Serhiy Storchaka in :issue:`12892`. +* :class:`bytes`.join() and :class:`bytearray`.join() now accept arbitrary + buffer objects as arguments. (Contributed by Antoine Pitrou in + :issue:`15958`.) New Modules @@ -1609,6 +1612,20 @@ Porting to Python 3.4 This section lists previously described changes and other bugfixes that may require changes to your code. + +Changes in 'python' command behavior +------------------------------------ + +* In a posix shell, setting an environment variable to an empty value is + generally equivalent to not setting it at all. In particular, this is true + for the :envvar:`PATH` environment variable. However, setting + :envvar:`PYTHONPATH` to an empty value was *not* equivalent to not setting it + at all: setting :envvar:`PYTHONPATH` to an empty value was equivalent to + setting it to ``.``, which leads to confusion when reasoning by analogy to + how :envvar:`PATH` works. The behavior now conforms to the normal posix + convention. + + Changes in the Python API -------------------------