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[3.7] bpo-34247: add porting note to 3.7 What's New (GH-9223) #9275

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miss-islington merged 1 commit into from
Sep 13, 2018
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[3.7] bpo-34247: add porting note to 3.7 What's New (GH-9223) #9275

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10 changes: 10 additions & 0 deletions Doc/whatsnew/3.7.rst
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Expand Up @@ -2485,3 +2485,13 @@ The current exception state has been moved from the frame object to the co-routi
This simplified the interpreter and fixed a couple of obscure bugs caused by
having swap exception state when entering or exiting a generator.
(Contributed by Mark Shannon in :issue:`25612`.)

Notable changes in Python 3.7.1
===============================

Starting in 3.7.1, :c:func:`Py_Initialize` now consistently reads and respects
all of the same environment settings as :c:func:`Py_Main` (in earlier Python
versions, it respected an ill-defined subset of those environment variables,
while in Python 3.7.0 it didn't read any of them due to :issue:`34247`). If
this behavior is unwanted, set :c:data:`Py_IgnoreEnvironmentFlag` to 1 before
calling :c:func:`Py_Initialize`.