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[3.8] bpo-35224: Bump the pyc magic number by 1 instead of by 10 in last modification (GH-14320) #14321

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merged 1 commit into from Jun 23, 2019
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[3.8] bpo-35224: Bump the pyc magic number by 1 instead of by 10 in last modification (GH-14320) #14321

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4 changes: 2 additions & 2 deletions Lib/importlib/_bootstrap_external.py
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Expand Up @@ -266,7 +266,7 @@ def _write_atomic(path, data, mode=0o666):
# Python 3.8a1 3400 (move frame block handling to compiler #17611)
# Python 3.8a1 3401 (add END_ASYNC_FOR #33041)
# Python 3.8a1 3410 (PEP570 Python Positional-Only Parameters #36540)
# Python 3.8b2 3420 (Reverse evaluation order of key: value in dict
# Python 3.8b2 3411 (Reverse evaluation order of key: value in dict
# comprehensions #35224)
#
# MAGIC must change whenever the bytecode emitted by the compiler may no
Expand All @@ -276,7 +276,7 @@ def _write_atomic(path, data, mode=0o666):
# Whenever MAGIC_NUMBER is changed, the ranges in the magic_values array
# in PC/launcher.c must also be updated.

MAGIC_NUMBER = (3420).to_bytes(2, 'little') + b'\r\n'
MAGIC_NUMBER = (3411).to_bytes(2, 'little') + b'\r\n'
_RAW_MAGIC_NUMBER = int.from_bytes(MAGIC_NUMBER, 'little') # For import.c

_PYCACHE = '__pycache__'
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2 changes: 1 addition & 1 deletion Python/importlib_external.h
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