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bpo-39426: Fix outdated default and highest protocols in docs (GH-18154)

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Some portions of the pickle documentation hadn't been updated for the pickle protocol changes in Python 3.8 (new protocol 5, default protocol 4). This PR fixes those docs.


https://bugs.python.org/issue39426
This commit is contained in:
Mark Dickinson 2020-01-24 10:03:22 +00:00 • committed by Miss Islington (bot)
parent b9783d2e03
commit e9652e8d58
3 changed files with 21 additions and 19 deletions
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6
Lib/pickle.py
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@ -409,9 +409,9 @@ class _Pickler:
"""This takes a binary file for writing a pickle data stream.
The optional *protocol* argument tells the pickler to use the
given protocol; supported protocols are 0, 1, 2, 3 and 4. The
default protocol is 4. It was introduced in Python 3.4, it is
incompatible with previous versions.
given protocol; supported protocols are 0, 1, 2, 3, 4 and 5.
The default protocol is 4. It was introduced in Python 3.4, and
is incompatible with previous versions.
Specifying a negative protocol version selects the highest
protocol version supported. The higher the protocol used, the